lucweber/conala__subsampled · Datasets at Hugging Face

question_id int64 1.48k 42.2M	intent stringlengths 11 91	rewritten_intent stringlengths 11 135 ⌀	snippet stringlengths 8 164
977,491	Comparing two .txt files using difflib in Python	compare contents at filehandles `file1` and `file2` using difflib	difflib.SequenceMatcher(None, file1.read(), file2.read())
33,065,588	How to execute a command in the terminal from a Python script?	execute a command `command ` in the terminal from a python script	os.system(command)
4,484,690	How to filter a dictionary in Python?	Filter a dictionary `d` to remove keys with value None and replace other values with 'updated'	dict((k, 'updated') for k, v in d.items() if v is None)
9,573,244	check if the string is empty	check if string `my_string` is empty	if some_string: pass
663,171	substring a string	select a substring of `s` beginning at `beginning` of length `LENGTH`	s = s[beginning:(beginning + LENGTH)]
25,040,875	Get a list of values from a list of dictionaries in python	get a list of values with key 'key' from a list of dictionaries `l`	[d['key'] for d in l if 'key' in d]
7,270,321	Finding the index of elements based on a condition using python list comprehension	Get all indexes of a list `a` where each value is greater than `2`	[i for i in range(len(a)) if a[i] > 2]
974,678	How to create single Python dict from a list of dicts by summing values with common keys?	create a flat dictionary by summing values associated with similar keys in each dictionary of list `dictlist`	dict((key, sum(d[key] for d in dictList)) for key in dictList[0])
14,961,014	Removing items from unnamed lists in Python	Remove the string value `item` from a list of strings `my_sequence`	[item for item in my_sequence if item != 'item']
38,379,453	How to read only part of a list of strings in python	get a list of substrings consisting of the first 5 characters of every string in list `buckets`	[s[:5] for s in buckets]
42,098,487	How to split 1D array into 2D array in NumPy by splitting the array at the last element?	split 1d array `a` into 2d array at the last element	np.split(a, [-1])
940,822	Regular expression syntax for "match nothing"?	regular expression match nothing	re.compile('$^')
20,025,882	Append string to the start of each value in a said column of a pandas dataframe (elegantly)	append string 'str' at the beginning of each value in column 'col' of dataframe `df`	df['col'] = 'str' + df['col'].astype(str)
14,295,673	Convert string into datetime.time object	Convert string '03:55' into datetime.time object	datetime.datetime.strptime('03:55', '%H:%M').time()
20,375,561	Joining pandas dataframes by column names	Join pandas data frame `frame_1` and `frame_2` with left join by `county_ID` and right join by `countyid`	pd.merge(frame_1, frame_2, left_on='county_ID', right_on='countyid')
10,543,303	number of values in a list greater than a certain number	get the number of values in list `j` that is greater than 5	sum(((i > 5) for i in j))
17,071,871	Select rows from a DataFrame based on values in a column in pandas	Select rows whose value of the "B" column is "one" or "three" in the DataFrame `df`	print(df.loc[df['B'].isin(['one', 'three'])])
319,426	case insensitive string comparison	case insensitive comparison of strings `string1` and `string2`	if (string1.lower() == string2.lower()): print('The strings are the same (case insensitive)') else: print('The strings are not the same (case insensitive)')
2,231,663	Slicing a list into a list of sub-lists	null	[input[i:i + n] for i in range(0, len(input), n)]
18,071,222	Working with set_index in Pandas DataFrame	set columns `['race_date', 'track_code', 'race_number']` as indexes in dataframe `rdata`	rdata.set_index(['race_date', 'track_code', 'race_number'])
5,826,427	Can a python script execute a function inside a bash script?	null	subprocess.Popen(['bash', '-c', '. foo.sh; go'])
14,661,701	How to drop a list of rows from Pandas dataframe?	drop rows whose index value in list `[1, 3]` in dataframe `df`	df.drop(df.index[[1, 3]], inplace=True)
8,936,030	Using BeautifulSoup to search html for string	BeautifulSoup find string 'Python Jobs' in HTML body `body`	soup.body.findAll(text='Python Jobs')
21,684,346	How to display a pdf that has been downloaded in python	display a pdf file that has been downloaded as `my_pdf.pdf`	webbrowser.open('file:///my_pdf.pdf')
17,952,279	Logarithmic y-axis bins in python	plot a data logarithmically in y axis	plt.yscale('log', nonposy='clip')
10,973,614	Convert JSON array to Python list	Convert JSON array `array` to Python object	data = json.loads(array)
761,804	Trimming a string	Trimming a string " Hello "	' Hello '.strip()
27,175,400	How to find the index of a value in 2d array in Python?	find all the indexes in a Numpy 2D array where the value is 1	zip(*np.where(a == 1))
24,082,784	pandas dataframe groupby datetime month	Group a pandas data frame by monthly frequenct `M` using groupby	df.groupby(pd.TimeGrouper(freq='M'))
42,211,584	How do I compare values in a dictionary?	get the maximum of 'salary' and 'bonus' values in a dictionary	print(max(d, key=lambda x: (d[x]['salary'], d[x]['bonus'])))
3,804,727	python, subprocess: reading output from subprocess	flush output of python print	sys.stdout.flush()
18,397,805	How do I delete a row in a numpy array which contains a zero?	delete all rows in a numpy array `a` where any value in a row is zero `0`	a[np.all(a != 0, axis=1)]
1,854	What OS am I running on	get os name	import platform platform.system()
19,961,490	Construct pandas DataFrame from list of tuples	construct pandas dataframe from a list of tuples	df = pandas.DataFrame(data, columns=['R_Number', 'C_Number', 'Avg', 'Std'])
42,142,756	How can I change a specific row label in a Pandas dataframe?	rename `last` row index label in dataframe `df` to `a`	df = df.rename(index={last: 'a'})
3,899,980	How to change the font size on a matplotlib plot	change the font size on plot `matplotlib` to 22	matplotlib.rcParams.update({'font.size': 22})
40,498,088	List comprehension - converting strings in one list, to integers in another	get list of sums of neighboring integers in string `example`	[sum(map(int, s)) for s in example.split()]
2,231,663	Slicing a list into a list of sub-lists	get a list of tuples of every three consecutive items in list `[1, 2, 3, 4, 5, 6, 7, 8, 9]`	list(zip(((iter([1, 2, 3, 4, 5, 6, 7, 8, 9]),) 3)))
8,344,905	Pythons fastest way of randomising case of a string	randomly switch letters' cases in string `s`	"""""".join(x.upper() if random.randint(0, 1) else x for x in s)
237,079	get file creation & modification date/times in	get modified time of file `file`	time.ctime(os.path.getmtime(file))
2,514,961	Remove all values within one list from another list in python	remove all values within one list `[2, 3, 7]` from another list `a`	[x for x in a if x not in [2, 3, 7]]
2,424,412	What is the easiest way to convert list with str into list with int?	convert list with str into list with int	list(map(int, ['1', '2', '3']))
663,171	substring a string	get a new string including all but the last character of string `x`	x[:(-2)]
13,295,735	How can I replace all the NaN values with Zero's in a column of a pandas dataframe	replace all the nan values with 0 in a pandas dataframe `df`	df.fillna(0)
2,052,390	manually throw/raise an exception	manually throw/raise a `ValueError` exception with the message 'A very specific bad thing happened'	raise ValueError('A very specific bad thing happened')
31,029,560	Plotting categorical data with pandas and matplotlib	plot a bar graph from the column 'color' in the DataFrame 'df'	df.colour.value_counts().plot(kind='bar')
4,906,977	Access environment variables	get value of the environment variable 'KEY_THAT_MIGHT_EXIST' with default value `default_value`	print(os.getenv('KEY_THAT_MIGHT_EXIST', default_value))
16,568,056	Python Nested List Comprehension with two Lists	create a list of aggregation of each element from list `l2` to all elements of list `l1`	[(x + y) for x in l2 for y in l1]
29,471,884	Get the immediate minimum among a list of numbers in python	get the next value greatest to `2` from a list of numbers `num_list`	min([x for x in num_list if x > 2])
21,164,910	Delete Column in Pandas based on Condition	delete all columns in DataFrame `df` that do not hold a non-zero value in its records	df.loc[:, ((df != 0).any(axis=0))]
3,847,472	get index of character in python list	get index of character 'b' in list '['a', 'b']'	['a', 'b'].index('b')
3,277,503	read a file line by line into a list	read file `fname` line by line into a list `content`	with open(fname) as f: content = f.readlines()
1,299,855	upload file with Python Mechanize	null	br.form.add_file(open(filename), 'text/plain', filename)
19,205,916	How to call Base Class's __init__ method from the child class?	call base class's __init__ method from the child class `ChildClass`	super(ChildClass, self).__init__(args, *kwargs)
22,904,654	How to save Xlsxwriter file in certain path?	save xlsxwriter file to 'C:/Users/Steven/Documents/demo.xlsx' path	workbook = xlsxwriter.Workbook('C:/Users/Steven/Documents/demo.xlsx')
18,116,235	Removing letters from a list of both numbers and letters	Get only digits from a string `strs`	"""""".join([c for c in strs if c.isdigit()])
22,741,068	How do I remove identical items from a list and sort it in Python?	remove identical items from list `my_list` and sort it alphabetically	sorted(set(my_list))
14,931,769	get all combination of n binary value	get all combination of n binary values	lst = list(itertools.product([0, 1], repeat=n))
13,223,737	how to read a file in other directory in python	open file '5_1.txt' in directory `direct`	x_file = open(os.path.join(direct, '5_1.txt'), 'r')
6,480,441	2D array of objects in Python	create a 2D array of `Node` objects with dimensions `cols` columns and `rows` rows	nodes = [[Node() for j in range(cols)] for i in range(rows)]
15,096,021	Python list of tuples to list of int	Flatten list `x`	x = [i[0] for i in x]
1,476	express binary literals	convert binary string '010101' to integer	int('010101', 2)
9,652,832	How to I load a tsv file into a Pandas DataFrame?	load a tsv file `c:/~/trainSetRel3.txt` into a pandas data frame	DataFrame.from_csv('c:/~/trainSetRel3.txt', sep='\t')
20,477,190	Get top biggest values from each column of the pandas.DataFrame	get biggest 3 values from each column of the pandas dataframe `data`	data.apply(lambda x: sorted(x, 3))
2,045,175	Regex match even number of letters	write a regex pattern to match even number of letter `A`	re.compile('^([^A])AA([^A]\|AA)$')
17,141,558	How to sort a dataFrame in python pandas by two or more columns?	sort dataframe `df` based on column 'a' in ascending and column 'b' in descending	df.sort_values(['a', 'b'], ascending=[True, False])
931,092	Reverse a string	Reverse list `s`	s[::(-1)]
5,826,427	Can a python script execute a function inside a bash script?	call a function `otherfunc` inside a bash script `test.sh` using subprocess	subprocess.call('test.sh otherfunc')
34,015,615	Python reversing an UTF-8 string	reverse a UTF-8 string 'a'	b = a.decode('utf8')[::-1].encode('utf8')
14,041,791	print variable and a string in python	Print a string `card` with string formatting	print('I have: {0.price}'.format(card))
10,565,598	Numpy: How to check if array contains certain numbers?	check if array `b` contains all elements of array `a`	numpy.in1d(b, a).all()
9,505,526	Split string into strings of repeating elements	split string `s` into strings of repeating elements	print([a for a, b in re.findall('((\\w)\\2*)', s)])
510,348	make a time delay	delay for "5" seconds	time.sleep(5)
17,109,608	change figure size and figure format in matplotlib	change figure size to 3 by 4 in matplotlib	plt.figure(figsize=(3, 4))
2,225,564	Get a filtered list of files in a directory	create a list `files` containing all files in directory '.' that starts with numbers between 0 and 9 and ends with the extension '.jpg'	files = [f for f in os.listdir('.') if re.match('[0-9]+.*\\.jpg', f)]
3,328,012	How can I tell if a file is a descendant of a given directory?	check if file `filename` is descendant of directory '/the/dir/'	os.path.commonprefix(['/the/dir/', os.path.realpath(filename)]) == '/the/dir/'
674,519	How can I convert a Python dictionary to a list of tuples?	convert a python dictionary `d` to a list of tuples	[(v, k) for k, v in list(d.items())]
15,183,084	how to create a dictionary using two lists in python?	create a dictionary using two lists`x` and `y`	dict(zip(x, y))
16,374,540	Efficient way to convert a list to dictionary	Convert a list `['A:1', 'B:2', 'C:3', 'D:4']` to dictionary	dict(map(lambda s: s.split(':'), ['A:1', 'B:2', 'C:3', 'D:4']))
36,139	How do I sort a list of strings in Python?	sort list `mylist` in alphabetical order	mylist.sort(key=str.lower)
13,252,333	Python check if all elements of a list are the same type	Check if all elements in list `lst` are tupples of long and int	all(isinstance(x, int) for x in lst)
16,739,319	Selenium Webdriver - NoSuchElementExceptions	selenium wait for driver `driver` 60 seconds before throwing a NoSuchElementExceptions exception	driver.implicitly_wait(60)
23,748,995	Pandas DataFrame to list	pandas dataframe `df` column 'a' to list	df['a'].values.tolist()
2,168,123	Converting a String to List in Python	split string "0,1,2" based on delimiter ','	"""0,1,2""".split(',')
817,122	Delete digits in Python (Regex)	delete digits at the end of string `s`	re.sub('\\b\\d+\\b', '', s)
4,241,757	Python/Django: How to remove extra white spaces & tabs from a string?	remove extra white spaces & tabs from a string `s`	""" """.join(s.split())
14,764,126	How to make a python script which can logoff, shutdown, and restart a computer?	shutdown and restart a computer running windows from script	subprocess.call(['shutdown', '/r'])
16,099,694	How to remove empty string in a list?	get a list `cleaned` that contains all non-empty elements in list `your_list`	cleaned = [x for x in your_list if x]
7,996,940	What is the best way to sort list with custom sorting parameters in Python?	null	li1.sort(key=lambda x: not x.startswith('b.'))
4,476,373	Simple URL GET/POST	make an HTTP post request with data `post_data`	post_response = requests.post(url='http://httpbin.org/post', json=post_data)
19,490,064	Merge DataFrames in Pandas using the mean	merge rows from dataframe `df1` with rows from dataframe `df2` and calculate the mean for rows that have the same value of axis 1	pd.concat((df1, df2), axis=1).mean(axis=1)
38,147,447	How to remove square bracket from pandas dataframe	get element at index 0 of each list in column 'value' of dataframe `df`	df['value'] = df['value'].str.get(0)
186,857	Splitting a semicolon-separated string to a dictionary, in Python	split a string `s` by ';' and convert to a dictionary	dict(item.split('=') for item in s.split(';'))
3,437,059	string contains substring	check if string "substring" is in string	string.find('substring')
123,198	copy a file	copy a file from `src` to `dst`	copyfile(src, dst)
41,894,454	How to custom sort an alphanumeric list?	custom sort an alphanumeric list `l`	sorted(l, key=lambda x: x.replace('0', 'Z'))
8,249,836	how to get all possible combination of items from 2-dimensional list in python?	get all possible combination of items from 2-dimensional list `a`	list(itertools.product(*a))
187,455	Counting array elements in Python	count the number of elements in array `myArray`	len(myArray)
40,384,599	Sorting a list of tuples by the addition of second and third element of the tuple	sorting a list of tuples `lst` by the sum of the second elements onwards, and third element of the tuple	sorted(lst, key=lambda x: (sum(x[1:]), x[0]))
11,573,817	How to download a file via FTP with Python ftplib	null	ftp.retrbinary('RETR %s' % filename, file.write)

977,491

Comparing two .txt files using difflib in Python

compare contents at filehandles `file1` and `file2` using difflib

difflib.SequenceMatcher(None, file1.read(), file2.read())

33,065,588

How to execute a command in the terminal from a Python script?

execute a command `command ` in the terminal from a python script

os.system(command)

4,484,690

How to filter a dictionary in Python?

Filter a dictionary `d` to remove keys with value None and replace other values with 'updated'

dict((k, 'updated') for k, v in d.items() if v is None)

9,573,244

check if the string is empty

check if string `my_string` is empty

if some_string: pass

663,171

substring a string

select a substring of `s` beginning at `beginning` of length `LENGTH`

s = s[beginning:(beginning + LENGTH)]

25,040,875

Get a list of values from a list of dictionaries in python

get a list of values with key 'key' from a list of dictionaries `l`

[d['key'] for d in l if 'key' in d]

7,270,321

Finding the index of elements based on a condition using python list comprehension

Get all indexes of a list `a` where each value is greater than `2`

[i for i in range(len(a)) if a[i] > 2]

974,678

How to create single Python dict from a list of dicts by summing values with common keys?

create a flat dictionary by summing values associated with similar keys in each dictionary of list `dictlist`

dict((key, sum(d[key] for d in dictList)) for key in dictList[0])

14,961,014

Removing items from unnamed lists in Python

Remove the string value `item` from a list of strings `my_sequence`

[item for item in my_sequence if item != 'item']

38,379,453

How to read only part of a list of strings in python

get a list of substrings consisting of the first 5 characters of every string in list `buckets`

[s[:5] for s in buckets]

42,098,487

How to split 1D array into 2D array in NumPy by splitting the array at the last element?

split 1d array `a` into 2d array at the last element

np.split(a, [-1])

940,822

Regular expression syntax for "match nothing"?

regular expression match nothing

re.compile('$^')

20,025,882

Append string to the start of each value in a said column of a pandas dataframe (elegantly)

append string 'str' at the beginning of each value in column 'col' of dataframe `df`

df['col'] = 'str' + df['col'].astype(str)

14,295,673

Convert string into datetime.time object

Convert string '03:55' into datetime.time object

datetime.datetime.strptime('03:55', '%H:%M').time()

20,375,561

Joining pandas dataframes by column names

Join pandas data frame `frame_1` and `frame_2` with left join by `county_ID` and right join by `countyid`

pd.merge(frame_1, frame_2, left_on='county_ID', right_on='countyid')

10,543,303

number of values in a list greater than a certain number

get the number of values in list `j` that is greater than 5

sum(((i > 5) for i in j))

17,071,871

Select rows from a DataFrame based on values in a column in pandas

Select rows whose value of the "B" column is "one" or "three" in the DataFrame `df`

print(df.loc[df['B'].isin(['one', 'three'])])

319,426

case insensitive string comparison

case insensitive comparison of strings `string1` and `string2`

if (string1.lower() == string2.lower()): print('The strings are the same (case insensitive)') else: print('The strings are not the same (case insensitive)')

2,231,663

Slicing a list into a list of sub-lists

null

[input[i:i + n] for i in range(0, len(input), n)]

18,071,222

Working with set_index in Pandas DataFrame

set columns `['race_date', 'track_code', 'race_number']` as indexes in dataframe `rdata`

rdata.set_index(['race_date', 'track_code', 'race_number'])

5,826,427

Can a python script execute a function inside a bash script?

null

subprocess.Popen(['bash', '-c', '. foo.sh; go'])

14,661,701

How to drop a list of rows from Pandas dataframe?

drop rows whose index value in list `[1, 3]` in dataframe `df`

df.drop(df.index[[1, 3]], inplace=True)

8,936,030

Using BeautifulSoup to search html for string

BeautifulSoup find string 'Python Jobs' in HTML body `body`

soup.body.findAll(text='Python Jobs')

21,684,346

How to display a pdf that has been downloaded in python

display a pdf file that has been downloaded as `my_pdf.pdf`

webbrowser.open('file:///my_pdf.pdf')

17,952,279

Logarithmic y-axis bins in python

plot a data logarithmically in y axis

plt.yscale('log', nonposy='clip')

10,973,614

Convert JSON array to Python list

Convert JSON array `array` to Python object

data = json.loads(array)

761,804

Trimming a string

Trimming a string " Hello "

' Hello '.strip()

27,175,400

How to find the index of a value in 2d array in Python?

find all the indexes in a Numpy 2D array where the value is 1

zip(*np.where(a == 1))

24,082,784

pandas dataframe groupby datetime month

Group a pandas data frame by monthly frequenct `M` using groupby

df.groupby(pd.TimeGrouper(freq='M'))

42,211,584

How do I compare values in a dictionary?

get the maximum of 'salary' and 'bonus' values in a dictionary

print(max(d, key=lambda x: (d[x]['salary'], d[x]['bonus'])))

3,804,727

python, subprocess: reading output from subprocess

flush output of python print

sys.stdout.flush()

18,397,805

How do I delete a row in a numpy array which contains a zero?

delete all rows in a numpy array `a` where any value in a row is zero `0`

a[np.all(a != 0, axis=1)]

1,854

What OS am I running on

get os name

import platform platform.system()

19,961,490

Construct pandas DataFrame from list of tuples

construct pandas dataframe from a list of tuples

df = pandas.DataFrame(data, columns=['R_Number', 'C_Number', 'Avg', 'Std'])

42,142,756

How can I change a specific row label in a Pandas dataframe?

rename `last` row index label in dataframe `df` to `a`

df = df.rename(index={last: 'a'})

3,899,980

How to change the font size on a matplotlib plot

change the font size on plot `matplotlib` to 22

matplotlib.rcParams.update({'font.size': 22})

40,498,088

List comprehension - converting strings in one list, to integers in another

get list of sums of neighboring integers in string `example`

[sum(map(int, s)) for s in example.split()]

2,231,663

Slicing a list into a list of sub-lists

get a list of tuples of every three consecutive items in list `[1, 2, 3, 4, 5, 6, 7, 8, 9]`

list(zip(*((iter([1, 2, 3, 4, 5, 6, 7, 8, 9]),) * 3)))

8,344,905

Pythons fastest way of randomising case of a string

randomly switch letters' cases in string `s`

"""""".join(x.upper() if random.randint(0, 1) else x for x in s)

237,079

get file creation & modification date/times in

get modified time of file `file`

time.ctime(os.path.getmtime(file))

2,514,961

Remove all values within one list from another list in python

remove all values within one list `[2, 3, 7]` from another list `a`

[x for x in a if x not in [2, 3, 7]]

2,424,412

What is the easiest way to convert list with str into list with int?

convert list with str into list with int

list(map(int, ['1', '2', '3']))

663,171

substring a string

get a new string including all but the last character of string `x`

x[:(-2)]

13,295,735

How can I replace all the NaN values with Zero's in a column of a pandas dataframe

replace all the nan values with 0 in a pandas dataframe `df`

df.fillna(0)

2,052,390

manually throw/raise an exception

manually throw/raise a `ValueError` exception with the message 'A very specific bad thing happened'

raise ValueError('A very specific bad thing happened')

31,029,560

Plotting categorical data with pandas and matplotlib

plot a bar graph from the column 'color' in the DataFrame 'df'

df.colour.value_counts().plot(kind='bar')

4,906,977

Access environment variables

get value of the environment variable 'KEY_THAT_MIGHT_EXIST' with default value `default_value`

print(os.getenv('KEY_THAT_MIGHT_EXIST', default_value))

16,568,056

Python Nested List Comprehension with two Lists

create a list of aggregation of each element from list `l2` to all elements of list `l1`

[(x + y) for x in l2 for y in l1]

29,471,884

Get the immediate minimum among a list of numbers in python

get the next value greatest to `2` from a list of numbers `num_list`

min([x for x in num_list if x > 2])

21,164,910

Delete Column in Pandas based on Condition

delete all columns in DataFrame `df` that do not hold a non-zero value in its records

df.loc[:, ((df != 0).any(axis=0))]

3,847,472

get index of character in python list

get index of character 'b' in list '['a', 'b']'

['a', 'b'].index('b')

3,277,503

read a file line by line into a list

read file `fname` line by line into a list `content`

with open(fname) as f: content = f.readlines()

1,299,855

upload file with Python Mechanize

null

br.form.add_file(open(filename), 'text/plain', filename)

19,205,916

How to call Base Class's __init__ method from the child class?

call base class's __init__ method from the child class `ChildClass`

super(ChildClass, self).__init__(*args, **kwargs)

22,904,654

How to save Xlsxwriter file in certain path?

save xlsxwriter file to 'C:/Users/Steven/Documents/demo.xlsx' path

workbook = xlsxwriter.Workbook('C:/Users/Steven/Documents/demo.xlsx')

18,116,235

Removing letters from a list of both numbers and letters

Get only digits from a string `strs`

"""""".join([c for c in strs if c.isdigit()])

22,741,068

How do I remove identical items from a list and sort it in Python?

remove identical items from list `my_list` and sort it alphabetically

sorted(set(my_list))

14,931,769

get all combination of n binary value

get all combination of n binary values

lst = list(itertools.product([0, 1], repeat=n))

13,223,737

how to read a file in other directory in python

open file '5_1.txt' in directory `direct`

x_file = open(os.path.join(direct, '5_1.txt'), 'r')

6,480,441

2D array of objects in Python

create a 2D array of `Node` objects with dimensions `cols` columns and `rows` rows

nodes = [[Node() for j in range(cols)] for i in range(rows)]

15,096,021

Python list of tuples to list of int

Flatten list `x`

x = [i[0] for i in x]

1,476

express binary literals

convert binary string '010101' to integer

int('010101', 2)

9,652,832

How to I load a tsv file into a Pandas DataFrame?

load a tsv file `c:/~/trainSetRel3.txt` into a pandas data frame

DataFrame.from_csv('c:/~/trainSetRel3.txt', sep='\t')

20,477,190

Get top biggest values from each column of the pandas.DataFrame

get biggest 3 values from each column of the pandas dataframe `data`

data.apply(lambda x: sorted(x, 3))

2,045,175

Regex match even number of letters

write a regex pattern to match even number of letter `A`

re.compile('^([^A]*)AA([^A]|AA)*$')

17,141,558

How to sort a dataFrame in python pandas by two or more columns?

sort dataframe `df` based on column 'a' in ascending and column 'b' in descending

df.sort_values(['a', 'b'], ascending=[True, False])

931,092

Reverse a string

Reverse list `s`

s[::(-1)]

5,826,427

Can a python script execute a function inside a bash script?

call a function `otherfunc` inside a bash script `test.sh` using subprocess

subprocess.call('test.sh otherfunc')

34,015,615

Python reversing an UTF-8 string

reverse a UTF-8 string 'a'

b = a.decode('utf8')[::-1].encode('utf8')

14,041,791

print variable and a string in python

Print a string `card` with string formatting

print('I have: {0.price}'.format(card))

10,565,598

Numpy: How to check if array contains certain numbers?

check if array `b` contains all elements of array `a`

numpy.in1d(b, a).all()

9,505,526

Split string into strings of repeating elements

split string `s` into strings of repeating elements

print([a for a, b in re.findall('((\\w)\\2*)', s)])

510,348

make a time delay

delay for "5" seconds

time.sleep(5)

17,109,608

change figure size and figure format in matplotlib

change figure size to 3 by 4 in matplotlib

plt.figure(figsize=(3, 4))

2,225,564

Get a filtered list of files in a directory

create a list `files` containing all files in directory '.' that starts with numbers between 0 and 9 and ends with the extension '.jpg'

files = [f for f in os.listdir('.') if re.match('[0-9]+.*\\.jpg', f)]

3,328,012

How can I tell if a file is a descendant of a given directory?

check if file `filename` is descendant of directory '/the/dir/'

os.path.commonprefix(['/the/dir/', os.path.realpath(filename)]) == '/the/dir/'

674,519

How can I convert a Python dictionary to a list of tuples?

convert a python dictionary `d` to a list of tuples

[(v, k) for k, v in list(d.items())]

15,183,084

how to create a dictionary using two lists in python?

create a dictionary using two lists`x` and `y`

dict(zip(x, y))

16,374,540

Efficient way to convert a list to dictionary

Convert a list `['A:1', 'B:2', 'C:3', 'D:4']` to dictionary

dict(map(lambda s: s.split(':'), ['A:1', 'B:2', 'C:3', 'D:4']))

36,139

How do I sort a list of strings in Python?

sort list `mylist` in alphabetical order

mylist.sort(key=str.lower)

13,252,333

Python check if all elements of a list are the same type

Check if all elements in list `lst` are tupples of long and int

all(isinstance(x, int) for x in lst)

16,739,319

Selenium Webdriver - NoSuchElementExceptions

selenium wait for driver `driver` 60 seconds before throwing a NoSuchElementExceptions exception

driver.implicitly_wait(60)

23,748,995

Pandas DataFrame to list

pandas dataframe `df` column 'a' to list

df['a'].values.tolist()

2,168,123

Converting a String to List in Python

split string "0,1,2" based on delimiter ','

"""0,1,2""".split(',')

817,122

Delete digits in Python (Regex)

delete digits at the end of string `s`

re.sub('\\b\\d+\\b', '', s)

4,241,757

Python/Django: How to remove extra white spaces & tabs from a string?

remove extra white spaces & tabs from a string `s`

""" """.join(s.split())

14,764,126

How to make a python script which can logoff, shutdown, and restart a computer?

shutdown and restart a computer running windows from script

subprocess.call(['shutdown', '/r'])

16,099,694

How to remove empty string in a list?

get a list `cleaned` that contains all non-empty elements in list `your_list`

cleaned = [x for x in your_list if x]

7,996,940

What is the best way to sort list with custom sorting parameters in Python?

null

li1.sort(key=lambda x: not x.startswith('b.'))

4,476,373

Simple URL GET/POST

make an HTTP post request with data `post_data`

post_response = requests.post(url='http://httpbin.org/post', json=post_data)

19,490,064

Merge DataFrames in Pandas using the mean

merge rows from dataframe `df1` with rows from dataframe `df2` and calculate the mean for rows that have the same value of axis 1

pd.concat((df1, df2), axis=1).mean(axis=1)

38,147,447

How to remove square bracket from pandas dataframe

get element at index 0 of each list in column 'value' of dataframe `df`

df['value'] = df['value'].str.get(0)

186,857

Splitting a semicolon-separated string to a dictionary, in Python

split a string `s` by ';' and convert to a dictionary

dict(item.split('=') for item in s.split(';'))

3,437,059

string contains substring

check if string "substring" is in string

string.find('substring')

123,198

copy a file

copy a file from `src` to `dst`

copyfile(src, dst)

41,894,454

How to custom sort an alphanumeric list?

custom sort an alphanumeric list `l`

sorted(l, key=lambda x: x.replace('0', 'Z'))

8,249,836

how to get all possible combination of items from 2-dimensional list in python?

get all possible combination of items from 2-dimensional list `a`

list(itertools.product(*a))

187,455

Counting array elements in Python

count the number of elements in array `myArray`

len(myArray)

40,384,599

Sorting a list of tuples by the addition of second and third element of the tuple

sorting a list of tuples `lst` by the sum of the second elements onwards, and third element of the tuple

sorted(lst, key=lambda x: (sum(x[1:]), x[0]))

11,573,817

How to download a file via FTP with Python ftplib

null

ftp.retrbinary('RETR %s' % filename, file.write)