neulab/conala · Datasets at Hugging Face

question_id int64 1.48k 42.8M	intent stringlengths 11 122	rewritten_intent stringlengths 4 183 ⌀	snippet stringlengths 2 232
4,810,537	how to clear the screen in python	clear terminal screen on windows	os.system('cls')
4,810,537	how to clear the screen in python	clear the terminal screen in Linux	os.system('clear')
533,398	In python 2.4, how can I execute external commands with csh instead of bash?	execute external commands/script `your_own_script` with csh instead of bash	os.system('tcsh your_own_script')
533,398	In python 2.4, how can I execute external commands with csh instead of bash?	execute command 'echo $0' in Z shell	os.system("zsh -c 'echo $0'")
10,592,674	Updating a list of python dictionaries with a key, value pair from another list	update a list `l1` dictionaries with a key `count` and value from list `l2`	[dict(d, count=n) for d, n in zip(l1, l2)]
14,180,866	sum each value in a list of tuples	create a list with the sum of respective elements of the tuples of list `l`	[sum(x) for x in zip(*l)]
14,180,866	sum each value in a list of tuples	sum each value in a list `l` of tuples	map(sum, zip(*l))
21,778,118	Counting the number of non-NaN elements in a numpy ndarray matrix in Python	count the number of non-nan elements in a numpy ndarray matrix `data`	np.count_nonzero(~np.isnan(data))
31,676,133	Python: transform a list of lists of tuples	Convert each list in list `main_list` into a tuple	map(list, zip(*main_list))
11,336,548	Django - taking values from POST request	django get the value of key 'title' from POST request `request` if exists, else return empty string ''	request.POST.get('title', '')
18,351,951	Check if string ends with one of the strings from a list	check if string `test.mp3` ends with one of the strings from a tuple `('.mp3', '.avi')`	"""test.mp3""".endswith(('.mp3', '.avi'))
234,512	Splitting strings in python	split a string 's' by space while ignoring spaces within square braces and quotes.	re.findall('\\[[^\\]]\\]\|"[^"]"\|\\S+', s)
20,477,190	Get top biggest values from each column of the pandas.DataFrame	get biggest 3 values from each column of the pandas dataframe `data`	data.apply(lambda x: sorted(x, 3))
30,405,804	How do I permanently set the current directory to the Desktop in Python?	permanently set the current directory to the 'C:/Users/Name/Desktop'	os.chdir('C:/Users/Name/Desktop')
15,043,326	getting string between 2 characters in python	get all characters between two `$` characters in string `string`	re.findall('\\$([^$]*)\\$', string)
15,043,326	getting string between 2 characters in python	getting the string between 2 '$' characters in '$sin (x)$ is an function of x'	re.findall('\\$(.*?)\\$', '$sin (x)$ is an function of x')
12,772,057	how to format date in ISO using python?	Format a date object `str_data` into iso fomrat	datetime.datetime.strptime(str_date, '%m/%d/%Y').date().isoformat()
2,111,163	Selecting specific column in each row from array	get element at index 0 of first row and element at index 1 of second row in array `A`	A[[0, 1], [0, 1]]
2,111,163	Selecting specific column in each row from array	subset numpy array `a` by column and row, returning the values from the first row, first column and the second row, second column and the third row, first column.	a[np.arange(3), (0, 1, 0)]
14,743,454	Counting values in dictionary	Get a list of all keys from dictionary `dictA` where the number of occurrences of value `duck` in that key is more than `1`	[k for k, v in dictA.items() if v.count('duck') > 1]
15,650,538	Sub matrix of a list of lists (without numpy)	Create sub matrix of a list of lists `[[2, 3, 4], [2, 3, 4], [2, 3, 4]]` (without numpy)	[[2, 3, 4], [2, 3, 4], [2, 3, 4]]
3,582,601	How to call an element in an numpy array?	get an element at index `[1,1]`in a numpy array `arr`	print(arr[1, 1])
15,282,189	Setting matplotlib colorbar range	Set colorbar range from `0` to `15` for pyplot object `quadmesh` in matplotlib	quadmesh.set_clim(vmin=0, vmax=15)
3,518,778	read csv into record array in numpy	read csv file 'my_file.csv' into numpy array	my_data = genfromtxt('my_file.csv', delimiter=',')
3,518,778	read csv into record array in numpy	read csv file 'myfile.csv' into array	df = pd.read_csv('myfile.csv', sep=',', header=None)
3,518,778	read csv into record array in numpy	read csv file 'myfile.csv' into array	np.genfromtxt('myfile.csv', delimiter=',')
3,518,778	read csv into record array	read csv file 'myfile.csv' into array	np.genfromtxt('myfile.csv', delimiter=',', dtype=None)
11,833,266	How do I read the first line of a string?	read the first line of a string `my_string`	my_string.splitlines()[0]
11,833,266	How do I read the first line of a string?	null	my_string.split('\n', 1)[0]
11,811,392	How to generate a list from a pandas DataFrame with the column name and column values?	generate a list from a pandas dataframe `df` with the column name and column values	df.values.tolist()
3,878,555	How to replace repeated instances of a character with a single instance of that character in python	Replace repeated instances of a character '*' with a single instance in a string 'text'	re.sub('\\\\+', '*', text)
3,878,555	How to replace repeated instances of a character with a single instance of that character in python	replace repeated instances of "" with a single instance of ""	re.sub('\\+', '', text)
15,334,783	Multiplying values from two different dictionaries together in Python	multiply values of dictionary `dict` with their respective values in dictionary `dict2`	dict((k, v * dict2[k]) for k, v in list(dict1.items()) if k in dict2)
2,030,053	Random strings in Python	Get a random string of length `length`	return ''.join(random.choice(string.lowercase) for i in range(length))
4,581,646	How to count all elements in a nested dictionary?	Get total number of values in a nested dictionary `food_colors`	sum(len(x) for x in list(food_colors.values()))
4,581,646	How to count all elements in a nested dictionary?	count all elements in a nested dictionary `food_colors`	sum(len(v) for v in food_colors.values())
1,790,520	How to apply a logical operator to all elements in a python list	apply logical operator 'AND' to all elements in list `a_list`	all(a_list)
41,083,229	Removing characters from string Python	removing vowel characters 'aeiouAEIOU' from string `text`	"""""".join(c for c in text if c not in 'aeiouAEIOU')
16,418,415	Divide two lists in python	Divide elements in list `a` from elements at the same index in list `b`	[(x / y) for x, y in zip(a, b)]
6,018,340	Capturing group with findall?	match regex 'abc(de)fg(123)' on string 'abcdefg123 and again abcdefg123'	re.findall('abc(de)fg(123)', 'abcdefg123 and again abcdefg123')
18,137,341	applying functions to groups in pandas dataframe	apply function `log2` to the grouped values by 'type' in dataframe `df`	df.groupby('type').apply(lambda x: np.mean(np.log2(x['v'])))
32,792,874	Searching if the values on a list is in the dictionary whose format is key-string, value-list(strings)	get geys of dictionary `my_dict` that contain any values from list `lst`	[key for key, value in list(my_dict.items()) if set(value).intersection(lst)]
32,792,874	Searching if the values on a list is in the dictionary whose format is key-string, value-list(strings)	get list of keys in dictionary `my_dict` whose values contain values from list `lst`	[key for item in lst for key, value in list(my_dict.items()) if item in value]
40,313,203	Add tuple to a list of tuples	Sum elements of tuple `b` to their respective elements of each tuple in list `a`	c = [[(i + j) for i, j in zip(e, b)] for e in a]
7,287,996	Python: Get relative path from comparing two absolute paths	get the common prefix from comparing two absolute paths '/usr/var' and '/usr/var2/log'	os.path.commonprefix(['/usr/var', '/usr/var2/log'])
7,287,996	Python: Get relative path from comparing two absolute paths	get relative path of path '/usr/var' regarding path '/usr/var/log/'	print(os.path.relpath('/usr/var/log/', '/usr/var'))
13,167,391	filtering grouped df in pandas	filter dataframe `grouped` where the length of each group `x` is bigger than 1	grouped.filter(lambda x: len(x) > 1)
1,217,251	Python: sorting a dictionary of lists	sort dictionary of lists `myDict` by the third item in each list	sorted(list(myDict.items()), key=lambda e: e[1][2])
11,921,649	What is the most pythonic way to avoid specifying the same value in a string	Format string `hello {name}, how are you {name}, welcome {name}` to be interspersed by `name` three times, specifying the value as `john` only once	"""hello {name}, how are you {name}, welcome {name}""".format(name='john')
30,009,948	How to reorder indexed rows based on a list in Pandas data frame	reorder indexed rows `['Z', 'C', 'A']` based on a list in pandas data frame `df`	df.reindex(['Z', 'C', 'A'])
5,251,663	determine if a list contains other lists	check if any values in a list `input_list` is a list	any(isinstance(el, list) for el in input_list)
1,712,227	get the size of a list	get the size of list `items`	len(items)
1,712,227	get the size of a list	get the size of a list `[1,2,3]`	len([1, 2, 3])
1,712,227	get the size of a list	get the size of object `items`	items.__len__()
1,712,227	get the size of a list	function to get the size of object	len()
1,712,227	get the size of a list	get the size of list `s`	len(s)
25,817,930	Fastest way to sort each row in a pandas dataframe	sort each row in a pandas dataframe `df` in descending order	df.sort(axis=1, ascending=False)
25,817,930	Fastest way to sort each row in a pandas dataframe	null	df.sort(df.columns, axis=1, ascending=False)
17,679,089	Pandas DataFrame Groupby two columns and get counts	get count of rows in each series grouped by column 'col5' and column 'col2' of dataframe `df`	df.groupby(['col5', 'col2']).size().groupby(level=1).max()
4,877,844	How would I check a string for a certain letter in Python?	check if string 'x' is in list `['x', 'd', 'a', 's', 'd', 's']`	'x' in ['x', 'd', 'a', 's', 'd', 's']
15,411,107	Delete a dictionary item if the key exists	Delete an item with key "key" from `mydict`	mydict.pop('key', None)
15,411,107	Delete a dictionary item if the key exists	Delete an item with key `key` from `mydict`	del mydict[key]
15,411,107	Delete a dictionary item if the key exists	Delete an item with key `key` from `mydict`	try: del mydict[key] except KeyError: pass try: del mydict[key] except KeyError: pass
5,373,474	Multiple positional arguments with Python and argparse	specify multiple positional arguments with argparse	parser.add_argument('input', nargs='+')
6,027,690	How to avoid line color repetition in matplotlib.pyplot?	Plot using the color code `#112233` in matplotlib pyplot	pyplot.plot(x, y, color='#112233')
753,052	Strip HTML from strings in Python	strip html from strings	re.sub('<[^<]+?>', '', text)
41,923,906	Align numpy array according to another array	align values in array `b` to the order of corresponding values in array `a`	a[np.in1d(a, b)]
11,009,155	how to split a string on the first instance of delimiter in python	split string "jvm.args= -Dappdynamics.com=true, -Dsomeotherparam=false," on the first occurrence of delimiter '='	"""jvm.args= -Dappdynamics.com=true, -Dsomeotherparam=false,""".split('=', 1)
7,351,270	Control a print format when printing a list in Python	print numbers in list `list` with precision of 3 decimal places	print('[%s]' % ', '.join('%.3f' % val for val in list))
7,351,270	Control a print format when printing a list in Python	format print output of list of floats `l` to print only up to 3 decimal points	print('[' + ', '.join('%5.3f' % v for v in l) + ']')
7,351,270	Control a print format when printing a list in Python	print a list of floating numbers `l` using string formatting	print([('%5.3f' % val) for val in l])
12,280,143	How to move to one folder back in python	Change the current directory one level up	os.chdir('..')
6,740,865	Convert Unicode to UTF-8 Python	print a unicode string `text`	print(text.encode('windows-1252'))
8,751,653	How can I convert a binary to a float number	convert string representation `s2` of binary string rep of integer to floating point number	struct.unpack('d', struct.pack('Q', int(s2, 0)))[0]
8,751,653	How can I convert a binary to a float number	convert a binary '-0b1110' to a float number	float(int('-0b1110', 0))
8,751,653	How can I convert a binary to a float number	convert a binary `b8` to a float number	struct.unpack('d', b8)[0]
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')
31,029,560	Plotting categorical data with pandas and matplotlib	plot categorical data in series `df` with kind `bar` using pandas and matplotlib	df.groupby('colour').size().plot(kind='bar')
11,354,544	Read lines containing integers from a file in Python?	strip and split each line `line` on white spaces	line.strip().split(' ')
22,128,218	Pandas how to apply multiple functions to dataframe	apply functions `mean` and `std` to each column in dataframe `df`	df.groupby(lambda idx: 0).agg(['mean', 'std'])
40,208,429	sorting dictionary by numeric value	sort dictionary `tag_weight` in reverse order by values cast to integers	sorted(list(tag_weight.items()), key=lambda x: int(x[1]), reverse=True)
27,758,657	How do I find the largest integer less than x?	find the largest integer less than `x`	int(math.ceil(x)) - 1
9,573,244	check if the string is empty	check if the string `myString` is empty	if (not myString): pass
9,573,244	Most elegant way to check if the string is empty	check if string `some_string` is empty	if (not some_string): pass
9,573,244	Most elegant way to check if the string is empty	check if string `my_string` is empty	if (not my_string): pass
9,573,244	check if the string is empty	check if string `my_string` is empty	if some_string: pass
364,519	iterate over a dictionary in sorted order	iterate over a dictionary `d` in sorted order	it = iter(sorted(d.items()))
364,519	iterate over a dictionary in sorted order	iterate over a dictionary `d` in sorted order	for (key, value) in sorted(d.items()): pass
364,519	iterate over a dictionary in sorted order	iterate over a dictionary `dict` in sorted order	return sorted(dict.items())
364,519	iterate over a dictionary in sorted order	iterate over a dictionary `dict` in sorted order	return iter(sorted(dict.items()))
364,519	iterate over a dictionary in sorted order	iterate over a dictionary `foo` in sorted order	for (k, v) in sorted(foo.items()): pass
364,519	iterate over a dictionary in sorted order	iterate over a dictionary `foo` sorted by the key	for k in sorted(foo.keys()): pass
34,438,901	finding the last occurrence of an item in a list python	assign the index of the last occurence of `x` in list `s` to the variable `last`	last = len(s) - s[::-1].index(x) - 1
5,618,878	convert list to string	concatenating values in `list1` to a string	str1 = ''.join(list1)
5,618,878	convert list to string	concatenating values in list `L` to a string, separate by space	' '.join((str(x) for x in L))
5,618,878	convert list to string	concatenating values in `list1` to a string	str1 = ''.join((str(e) for e in list1))
5,618,878	convert list to string	concatenating values in list `L` to a string	makeitastring = ''.join(map(str, L))
16,096,754	remove None value from a list without removing the 0 value	remove None value from list `L`	[x for x in L if x is not None]
1,058,712	How do I select a random element from an array in Python?	select a random element from array `[1, 2, 3]`	random.choice([1, 2, 3])
4,230,000	Creating a 2d matrix in python	creating a 5x6 matrix filled with `None` and save it as `x`	x = [[None for _ in range(5)] for _ in range(6)]

4,810,537

how to clear the screen in python

clear terminal screen on windows

os.system('cls')

4,810,537

how to clear the screen in python

clear the terminal screen in Linux

os.system('clear')

533,398

In python 2.4, how can I execute external commands with csh instead of bash?

execute external commands/script `your_own_script` with csh instead of bash

os.system('tcsh your_own_script')

533,398

In python 2.4, how can I execute external commands with csh instead of bash?

execute command 'echo $0' in Z shell

os.system("zsh -c 'echo $0'")

10,592,674

Updating a list of python dictionaries with a key, value pair from another list

update a list `l1` dictionaries with a key `count` and value from list `l2`

[dict(d, count=n) for d, n in zip(l1, l2)]

14,180,866

sum each value in a list of tuples

create a list with the sum of respective elements of the tuples of list `l`

[sum(x) for x in zip(*l)]

14,180,866

sum each value in a list of tuples

sum each value in a list `l` of tuples

map(sum, zip(*l))

21,778,118

Counting the number of non-NaN elements in a numpy ndarray matrix in Python

count the number of non-nan elements in a numpy ndarray matrix `data`

np.count_nonzero(~np.isnan(data))

31,676,133

Python: transform a list of lists of tuples

Convert each list in list `main_list` into a tuple

map(list, zip(*main_list))

11,336,548

Django - taking values from POST request

django get the value of key 'title' from POST request `request` if exists, else return empty string ''

request.POST.get('title', '')

18,351,951

Check if string ends with one of the strings from a list

check if string `test.mp3` ends with one of the strings from a tuple `('.mp3', '.avi')`

"""test.mp3""".endswith(('.mp3', '.avi'))

234,512

Splitting strings in python

split a string 's' by space while ignoring spaces within square braces and quotes.

re.findall('\\[[^\\]]*\\]|"[^"]*"|\\S+', s)

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))

30,405,804

How do I permanently set the current directory to the Desktop in Python?

permanently set the current directory to the 'C:/Users/Name/Desktop'

os.chdir('C:/Users/Name/Desktop')

15,043,326

getting string between 2 characters in python

get all characters between two `$` characters in string `string`

re.findall('\\$([^$]*)\\$', string)

15,043,326

getting string between 2 characters in python

getting the string between 2 '$' characters in '$sin (x)$ is an function of x'

re.findall('\\$(.*?)\\$', '$sin (x)$ is an function of x')

12,772,057

how to format date in ISO using python?

Format a date object `str_data` into iso fomrat

datetime.datetime.strptime(str_date, '%m/%d/%Y').date().isoformat()

2,111,163

Selecting specific column in each row from array

get element at index 0 of first row and element at index 1 of second row in array `A`

A[[0, 1], [0, 1]]

2,111,163

Selecting specific column in each row from array

subset numpy array `a` by column and row, returning the values from the first row, first column and the second row, second column and the third row, first column.

a[np.arange(3), (0, 1, 0)]

14,743,454

Counting values in dictionary

Get a list of all keys from dictionary `dictA` where the number of occurrences of value `duck` in that key is more than `1`

[k for k, v in dictA.items() if v.count('duck') > 1]

15,650,538

Sub matrix of a list of lists (without numpy)

Create sub matrix of a list of lists `[[2, 3, 4], [2, 3, 4], [2, 3, 4]]` (without numpy)

[[2, 3, 4], [2, 3, 4], [2, 3, 4]]

3,582,601

How to call an element in an numpy array?

get an element at index `[1,1]`in a numpy array `arr`

print(arr[1, 1])

15,282,189

Setting matplotlib colorbar range

Set colorbar range from `0` to `15` for pyplot object `quadmesh` in matplotlib

quadmesh.set_clim(vmin=0, vmax=15)

3,518,778

read csv into record array in numpy

read csv file 'my_file.csv' into numpy array

my_data = genfromtxt('my_file.csv', delimiter=',')

3,518,778

read csv into record array in numpy

read csv file 'myfile.csv' into array

df = pd.read_csv('myfile.csv', sep=',', header=None)

3,518,778

read csv into record array in numpy

read csv file 'myfile.csv' into array

np.genfromtxt('myfile.csv', delimiter=',')

3,518,778

read csv into record array

read csv file 'myfile.csv' into array

np.genfromtxt('myfile.csv', delimiter=',', dtype=None)

11,833,266

How do I read the first line of a string?

read the first line of a string `my_string`

my_string.splitlines()[0]

11,833,266

How do I read the first line of a string?

null

my_string.split('\n', 1)[0]

11,811,392

How to generate a list from a pandas DataFrame with the column name and column values?

generate a list from a pandas dataframe `df` with the column name and column values

df.values.tolist()

3,878,555

How to replace repeated instances of a character with a single instance of that character in python

Replace repeated instances of a character '*' with a single instance in a string 'text'

re.sub('\\*\\*+', '*', text)

3,878,555

How to replace repeated instances of a character with a single instance of that character in python

replace repeated instances of "*" with a single instance of "*"

re.sub('\\*+', '*', text)

15,334,783

Multiplying values from two different dictionaries together in Python

multiply values of dictionary `dict` with their respective values in dictionary `dict2`

dict((k, v * dict2[k]) for k, v in list(dict1.items()) if k in dict2)

2,030,053

Random strings in Python

Get a random string of length `length`

return ''.join(random.choice(string.lowercase) for i in range(length))

4,581,646

How to count all elements in a nested dictionary?

Get total number of values in a nested dictionary `food_colors`

sum(len(x) for x in list(food_colors.values()))

4,581,646

How to count all elements in a nested dictionary?

count all elements in a nested dictionary `food_colors`

sum(len(v) for v in food_colors.values())

1,790,520

How to apply a logical operator to all elements in a python list

apply logical operator 'AND' to all elements in list `a_list`

all(a_list)

41,083,229

Removing characters from string Python

removing vowel characters 'aeiouAEIOU' from string `text`

"""""".join(c for c in text if c not in 'aeiouAEIOU')

16,418,415

Divide two lists in python

Divide elements in list `a` from elements at the same index in list `b`

[(x / y) for x, y in zip(a, b)]

6,018,340

Capturing group with findall?

match regex 'abc(de)fg(123)' on string 'abcdefg123 and again abcdefg123'

re.findall('abc(de)fg(123)', 'abcdefg123 and again abcdefg123')

18,137,341

applying functions to groups in pandas dataframe

apply function `log2` to the grouped values by 'type' in dataframe `df`

df.groupby('type').apply(lambda x: np.mean(np.log2(x['v'])))

32,792,874

Searching if the values on a list is in the dictionary whose format is key-string, value-list(strings)

get geys of dictionary `my_dict` that contain any values from list `lst`

[key for key, value in list(my_dict.items()) if set(value).intersection(lst)]

32,792,874

Searching if the values on a list is in the dictionary whose format is key-string, value-list(strings)

get list of keys in dictionary `my_dict` whose values contain values from list `lst`

[key for item in lst for key, value in list(my_dict.items()) if item in value]

40,313,203

Add tuple to a list of tuples

Sum elements of tuple `b` to their respective elements of each tuple in list `a`

c = [[(i + j) for i, j in zip(e, b)] for e in a]

7,287,996

Python: Get relative path from comparing two absolute paths

get the common prefix from comparing two absolute paths '/usr/var' and '/usr/var2/log'

os.path.commonprefix(['/usr/var', '/usr/var2/log'])

7,287,996

Python: Get relative path from comparing two absolute paths

get relative path of path '/usr/var' regarding path '/usr/var/log/'

print(os.path.relpath('/usr/var/log/', '/usr/var'))

13,167,391

filtering grouped df in pandas

filter dataframe `grouped` where the length of each group `x` is bigger than 1

grouped.filter(lambda x: len(x) > 1)

1,217,251

Python: sorting a dictionary of lists

sort dictionary of lists `myDict` by the third item in each list

sorted(list(myDict.items()), key=lambda e: e[1][2])

11,921,649

What is the most pythonic way to avoid specifying the same value in a string

Format string `hello {name}, how are you {name}, welcome {name}` to be interspersed by `name` three times, specifying the value as `john` only once

"""hello {name}, how are you {name}, welcome {name}""".format(name='john')

30,009,948

How to reorder indexed rows based on a list in Pandas data frame

reorder indexed rows `['Z', 'C', 'A']` based on a list in pandas data frame `df`

df.reindex(['Z', 'C', 'A'])

5,251,663

determine if a list contains other lists

check if any values in a list `input_list` is a list

any(isinstance(el, list) for el in input_list)

1,712,227

get the size of a list

get the size of list `items`

len(items)

1,712,227

get the size of a list

get the size of a list `[1,2,3]`

len([1, 2, 3])

1,712,227

get the size of a list

get the size of object `items`

items.__len__()

1,712,227

get the size of a list

function to get the size of object

len()

1,712,227

get the size of a list

get the size of list `s`

len(s)

25,817,930

Fastest way to sort each row in a pandas dataframe

sort each row in a pandas dataframe `df` in descending order

df.sort(axis=1, ascending=False)

25,817,930

Fastest way to sort each row in a pandas dataframe

null

df.sort(df.columns, axis=1, ascending=False)

17,679,089

Pandas DataFrame Groupby two columns and get counts

get count of rows in each series grouped by column 'col5' and column 'col2' of dataframe `df`

df.groupby(['col5', 'col2']).size().groupby(level=1).max()

4,877,844

How would I check a string for a certain letter in Python?

check if string 'x' is in list `['x', 'd', 'a', 's', 'd', 's']`

'x' in ['x', 'd', 'a', 's', 'd', 's']

15,411,107

Delete a dictionary item if the key exists

Delete an item with key "key" from `mydict`

mydict.pop('key', None)

15,411,107

Delete a dictionary item if the key exists

Delete an item with key `key` from `mydict`

del mydict[key]

15,411,107

Delete a dictionary item if the key exists

Delete an item with key `key` from `mydict`

try: del mydict[key] except KeyError: pass try: del mydict[key] except KeyError: pass

5,373,474

Multiple positional arguments with Python and argparse

specify multiple positional arguments with argparse

parser.add_argument('input', nargs='+')

6,027,690

How to avoid line color repetition in matplotlib.pyplot?

Plot using the color code `#112233` in matplotlib pyplot

pyplot.plot(x, y, color='#112233')

753,052

Strip HTML from strings in Python

strip html from strings

re.sub('<[^<]+?>', '', text)

41,923,906

Align numpy array according to another array

align values in array `b` to the order of corresponding values in array `a`

a[np.in1d(a, b)]

11,009,155

how to split a string on the first instance of delimiter in python

split string "jvm.args= -Dappdynamics.com=true, -Dsomeotherparam=false," on the first occurrence of delimiter '='

"""jvm.args= -Dappdynamics.com=true, -Dsomeotherparam=false,""".split('=', 1)

7,351,270

Control a print format when printing a list in Python

print numbers in list `list` with precision of 3 decimal places

print('[%s]' % ', '.join('%.3f' % val for val in list))

7,351,270

Control a print format when printing a list in Python

format print output of list of floats `l` to print only up to 3 decimal points

print('[' + ', '.join('%5.3f' % v for v in l) + ']')

7,351,270

Control a print format when printing a list in Python

print a list of floating numbers `l` using string formatting

print([('%5.3f' % val) for val in l])

12,280,143

How to move to one folder back in python

Change the current directory one level up

os.chdir('..')

6,740,865

Convert Unicode to UTF-8 Python

print a unicode string `text`

print(text.encode('windows-1252'))

8,751,653

How can I convert a binary to a float number

convert string representation `s2` of binary string rep of integer to floating point number

struct.unpack('d', struct.pack('Q', int(s2, 0)))[0]

8,751,653

How can I convert a binary to a float number

convert a binary '-0b1110' to a float number

float(int('-0b1110', 0))

8,751,653

How can I convert a binary to a float number

convert a binary `b8` to a float number

struct.unpack('d', b8)[0]

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')

31,029,560

Plotting categorical data with pandas and matplotlib

plot categorical data in series `df` with kind `bar` using pandas and matplotlib

df.groupby('colour').size().plot(kind='bar')

11,354,544

Read lines containing integers from a file in Python?

strip and split each line `line` on white spaces

line.strip().split(' ')

22,128,218

Pandas how to apply multiple functions to dataframe

apply functions `mean` and `std` to each column in dataframe `df`

df.groupby(lambda idx: 0).agg(['mean', 'std'])

40,208,429

sorting dictionary by numeric value

sort dictionary `tag_weight` in reverse order by values cast to integers

sorted(list(tag_weight.items()), key=lambda x: int(x[1]), reverse=True)

27,758,657

How do I find the largest integer less than x?

find the largest integer less than `x`

int(math.ceil(x)) - 1

9,573,244

check if the string is empty

check if the string `myString` is empty

if (not myString): pass

9,573,244

Most elegant way to check if the string is empty

check if string `some_string` is empty

if (not some_string): pass

9,573,244

Most elegant way to check if the string is empty

check if string `my_string` is empty

if (not my_string): pass

9,573,244

check if the string is empty

check if string `my_string` is empty

if some_string: pass

364,519