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
13,411,544	Delete column from pandas DataFrame	delete a column `column_name` without having to reassign from pandas data frame `df`	df.drop('column_name', axis=1, inplace=True)
10,750,802	Disable abbreviation in argparse	disable abbreviation in argparse	parser = argparse.ArgumentParser(allow_abbrev=False)
35,711,059	Extract dictionary value from column in data frame	extract dictionary values by key 'Feature3' from data frame `df`	feature3 = [d.get('Feature3') for d in df.dic]
14,734,533	How to access pandas groupby dataframe by key	get data of column 'A' and column 'B' in dataframe `df` where column 'A' is equal to 'foo'	df.loc[gb.groups['foo'], ('A', 'B')]
517,355	String formatting in Python	print '[1, 2, 3]'	print('[%s, %s, %s]' % (1, 2, 3))
517,355	String formatting in Python	Display `1 2 3` as a list of string	print('[{0}, {1}, {2}]'.format(1, 2, 3))
17,106,819	Accessing Python dict values with the key start characters	get values from a dictionary `my_dict` whose key contains the string `Date`	[v for k, v in list(my_dict.items()) if 'Date' in k]
18,724,607	Python date string formatting	null	"""{0.month}/{0.day}/{0.year}""".format(my_date)
22,397,058	Dropping a single (sub-) column from a MultiIndex	drop a single subcolumn 'a' in column 'col1' from a dataframe `df`	df.drop(('col1', 'a'), axis=1)
22,397,058	Dropping a single (sub-) column from a MultiIndex	dropping all columns named 'a' from a multiindex 'df', across all level.	df.drop('a', level=1, axis=1)
19,121,722	Build Dictionary in Python Loop - List and Dictionary Comprehensions	build dictionary with keys of dictionary `_container` as keys and values of returned value of function `_value` with correlating key as parameter	{_key: _value(_key) for _key in _container}
34,527,388	How to click on the text button using selenium python	click on the text button 'section-select-all' using selenium python	browser.find_element_by_class_name('section-select-all').click()
17,604,837	Python - Combine two dictionaries, concatenate string values?	combine two dictionaries `d ` and `d1`, concatenate string values with identical `keys`	dict((k, d.get(k, '') + d1.get(k, '')) for k in keys)
16,735,786	How to generate unique equal hash for equal dictionaries?	generate unique equal hash for equal dictionaries `a` and `b`	hash(pformat(a)) == hash(pformat(b))
18,938,276	How to convert nested list of lists into a list of tuples in python 3.3?	convert nested list of lists `[['tom', 'cat'], ['jerry', 'mouse'], ['spark', 'dog']]` into a list of tuples	list(map(tuple, [['tom', 'cat'], ['jerry', 'mouse'], ['spark', 'dog']]))
17,166,601	Summing across rows of Pandas Dataframe	sum the column `positions` along the other columns `stock`, `same1`, `same2` in a pandas data frame `df`	df.groupby(['stock', 'same1', 'same2'], as_index=False)['positions'].sum()
17,166,601	Summing across rows of Pandas Dataframe	null	df.groupby(['stock', 'same1', 'same2'])['positions'].sum().reset_index()
9,257,094	change a string into uppercase	change string `s` to upper case	s.upper()
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(';'))
15,459,217	how to set cookie in python mechanize	Add header `('Cookie', 'cookiename=cookie value')` to mechanize browser `br`	br.addheaders = [('Cookie', 'cookiename=cookie value')]
38,147,447	How to remove square bracket from pandas dataframe	set data in column 'value' of dataframe `df` equal to first element of each list	df['value'] = df['value'].str[0]
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)
38,147,447	How to remove square bracket from pandas dataframe	remove square bracket '[]' from pandas dataframe `df` column 'value'	df['value'] = df['value'].str.strip('[]')
17,462,994	Python getting a string (key + value) from Python Dictionary	Get a string with string formatting from dictionary `d`	""", """.join(['{}_{}'.format(k, v) for k, v in d.items()])
15,465,204	Easier way to add multiple list items?	Sum of sums of each list, in a list of lists named 'lists'.	sum(sum(x) for x in lists)
14,766,194	testing whether a Numpy array contains a given row	Check whether a numpy array `a` contains a given row `[1, 2]`	any(np.equal(a, [1, 2]).all(1))
22,240,602	How do I check if all elements in a list are the same?	check if all elements in list `mylist` are the same	len(set(mylist)) == 1
21,205,074	How to split a string at line breaks in python?	split a string `s` at line breaks `\r\n`	[map(int, x.split('\t')) for x in s.rstrip().split('\r\n')]
20,230,211	Create a hierarchy from a dictionary of lists	sort a dictionary `a` by values that are list type	t = sorted(list(a.items()), key=lambda x: x[1])
4,940,032	Search for string in txt file	Search for string 'blabla' in txt file 'example.txt'	if ('blabla' in open('example.txt').read()): pass
4,940,032	Search for string in txt file	Search for string 'blabla' in txt file 'example.txt'	f = open('example.txt') s = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ) if (s.find('blabla') != (-1)): pass
4,940,032	Search for string in txt file	Search for string `blabla` in txt file 'example.txt'	datafile = file('example.txt') found = False for line in datafile: if (blabla in line): return True return False
14,431,731	Replacing the empty strings in a string	insert string `string1` after each character of `string2`	string2.replace('', string1)[len(string1):-len(string1)]
5,106,228	getting every possible combination in a list	getting every possible combination of two elements in a list	list(itertools.combinations([1, 2, 3, 4, 5, 6], 2))
15,390,374	Python 3: How do I get a string literal representation of a byte string?	get a utf-8 string literal representation of byte string `x`	"""x = {}""".format(x.decode('utf8')).encode('utf8')
3,501,382	Checking whether a variable is an integer	check if `x` is an integer	isinstance(x, int)
3,501,382	Checking whether a variable is an integer	check if `x` is an integer	(type(x) == int)
307,305	Play a Sound with Python	play the wav file 'sound.wav'	winsound.PlaySound('sound.wav', winsound.SND_FILENAME)
4,152,376	How to get the n next values of a generator in a list (python)	create a list containing the `n` next values of generator `it`	[next(it) for _ in range(n)]
4,152,376	How to get the n next values of a generator in a list (python)	get list of n next values of a generator `it`	list(itertools.islice(it, 0, n, 1))
1,388,818	How can I compare two lists in python and return matches	compare two lists in python `a` and `b` and return matches	set(a).intersection(b)
1,388,818	How can I compare two lists in python and return matches	null	[i for i, j in zip(a, b) if i == j]
17,757,450	How to print a list with integers without the brackets, commas and no quotes?	convert list `data` into a string of its elements	print(''.join(map(str, data)))
3,166,619	python regex: match a string with only one instance of a character	match regex pattern '\\$[0-9]+[^\\$]*$' on string '$1 off delicious $5 ham.'	re.match('\\$[0-9]+[^\\$]*$', '$1 off delicious $5 ham.')
10,675,054	How to import a module in Python with importlib.import_module	import a nested module `c.py` within `b` within `a` with importlib	importlib.import_module('.c', 'a.b')
10,675,054	How to import a module in Python with importlib.import_module	import a module 'a.b.c' with importlib.import_module in python 2	importlib.import_module('a.b.c')
7,717,380	how to convert 2d list to 2d numpy array?	Convert array `a` to numpy array	a = np.array(a)
13,794,532	Python regular expression for Beautiful Soup	Find all `div` tags whose classes has the value `comment-` in a beautiful soup object `soup`	soup.find_all('div', class_=re.compile('comment-'))
23,612,271	A sequence of empty lists of length n in Python?	a sequence of empty lists of length `n`	[[] for _ in range(n)]
9,495,262	create dictionary from list of variables	create dictionary from list of variables 'foo' and 'bar' already defined	dict((k, globals()[k]) for k in ('foo', 'bar'))
1,731,346	How to get two random records with Django	get two random records from model 'MyModel' in Django	MyModel.objects.order_by('?')[:2]
29,035,168	How to use a dot in Python format strings?	Print a dictionary `{'user': {'name': 'Markus'}}` with string formatting	"""Hello {user[name]}""".format(**{'user': {'name': 'Markus'}})
20,059,427	Python: using a dict to speed sorting of a list of tuples	create a dictionary `list_dict` containing each tuple in list `tuple_list` as values and the tuple's first element as the corresponding key	list_dict = {t[0]: t for t in tuple_list}
3,996,904	Generate random integers between 0 and 9	Generate a random integer between 0 and 9	randint(0, 9)
3,996,904	Generate random integers between 0 and 9	Generate a random integer between `a` and `b`	random.randint(a, b)
3,996,904	Generate random integers between 0 and 9	Generate random integers between 0 and 9	print((random.randint(0, 9)))
5,864,271	Reverse a string in Python two characters at a time (Network byte order)	reverse a string `a` by 2 characters at a time	"""""".join(reversed([a[i:i + 2] for i in range(0, len(a), 2)]))
28,664,103	How to transform a time series pandas dataframe using the index attributes?	transform time series `df` into a pivot table aggregated by column 'Close' using column `df.index.date` as index and values of column `df.index.time` as columns	pd.pivot_table(df, index=df.index.date, columns=df.index.time, values='Close')
10,666,163	How to check if all elements of a list matches a condition?	check if the third element of all the lists in a list "items" is equal to zero.	any(item[2] == 0 for item in items)
10,666,163	How to check if all elements of a list matches a condition?	Find all the lists from a lists of list 'items' if third element in all sub-lists is '0'	[x for x in items if x[2] == 0]
16,412,563	Python: sorting dictionary of dictionaries	sort dictionary of dictionaries `dic` according to the key 'Fisher'	sorted(list(dic.items()), key=lambda x: x[1]['Fisher'], reverse=True)
17,952,279	Logarithmic y-axis bins in python	plot a data logarithmically in y axis	plt.yscale('log', nonposy='clip')
10,365,225	extract digits in a simple way from a python string	null	map(int, re.findall('\\d+', s))
2,759,323	How can I list the contents of a directory in Python?	list the contents of a directory '/home/username/www/'	os.listdir('/home/username/www/')
2,759,323	How can I list the contents of a directory in Python?	list all the contents of the directory 'path'.	os.listdir('path')
40,076,861	How to merge two DataFrames into single matching the column values	merge a pandas data frame `distancesDF` and column `dates` in pandas data frame `datesDF` into single	pd.concat([distancesDF, datesDF.dates], axis=1)
30,062,429	Python How to get every first element in 2 Dimensional List	get value of first index of each element in list `a`	[x[0] for x in a]
30,062,429	Python How to get every first element in 2 Dimensional List	python how to get every first element in 2 dimensional list `a`	[i[0] for i in a]
5,075,247	Regular expression to remove line breaks	remove line breaks from string `textblock` using regex	re.sub('(?<=[a-z])\\r?\\n', ' ', textblock)
1,883,604	Reading utf-8 characters from a gzip file in python	Open gzip-compressed file encoded as utf-8 'file.gz' in text mode	gzip.open('file.gz', 'rt', encoding='utf-8')
6,159,313	Can Python test the membership of multiple values in a list?	test if either of strings `a` or `b` are members of the set of strings, `['b', 'a', 'foo', 'bar']`	set(['a', 'b']).issubset(['b', 'a', 'foo', 'bar'])
6,159,313	Can Python test the membership of multiple values in a list?	Check if all the values in a list `['a', 'b']` are present in another list `['b', 'a', 'foo', 'bar']`	all(x in ['b', 'a', 'foo', 'bar'] for x in ['a', 'b'])
3,939,361	Remove specific characters from a string	Remove characters "!@#$" from a string `line`	line.translate(None, '!@#$')
3,939,361	Remove specific characters from a string	Remove characters "!@#$" from a string `line`	line = re.sub('[!@#$]', '', line)
3,939,361	Remove specific characters from a string	Remove string "1" from string `string`	string.replace('1', '')
3,939,361	Remove specific characters from a string	Remove character `char` from a string `a`	a = a.replace(char, '')
3,939,361	Remove specific characters from a string	Remove characters in `b` from a string `a`	a = a.replace(char, '')
3,939,361	Remove specific characters from a string	Remove characters in '!@#$' from a string `line`	line = line.translate(string.maketrans('', ''), '!@#$')
38,704,545	How to binarize the values in a pandas DataFrame?	binarize the values in columns of list `order` in a pandas data frame	pd.concat([df, pd.get_dummies(df, '', '').astype(int)], axis=1)[order]
19,672,101	Storing a collection of integers in a list	store integer 3, 4, 1 and 2 in a list	[3, 4, 1, 2]
13,627,865	Is it possible to define global variables in a function in Python	define global variable `something` with value `bob`	globals()['something'] = 'bob'
199,059	I'm looking for a pythonic way to insert a space before capital letters	insert spaces before capital letters in string `text`	re.sub('([a-z](?=[A-Z])\|[A-Z](?=[A-Z][a-z]))', '\\1 ', text)
727,507	How can I convert Unicode to uppercase to print it?	print unicode string `ex\xe1mple` in uppercase	print('ex\xe1mple'.upper())
28,657,018	Remove string from list if from substring list	get last element of string splitted by '\\' from list of strings `list_dirs`	[l.split('\\')[-1] for l in list_dirs]
579,856	What's the Pythonic way to combine two sequences into a dictionary?	combine two sequences into a dictionary	dict(zip(keys, values))
3,220,284	How to Customize the time format for Python logging?	customize the time format in python logging	formatter = logging.Formatter('%(asctime)s;%(levelname)s;%(message)s')
8,172,861	Python Regex replace	Replace comma with dot in a string `original_string` using regex	new_string = re.sub('"(\\d+),(\\d+)"', '\\1.\\2', original_string)
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')
5,826,427	Can a python script execute a function inside a bash script?	null	subprocess.Popen(['bash', '-c', '. foo.sh; go'])
1,546,226	A simple way to remove multiple spaces in a string in Python	remove multiple spaces in a string `foo`	""" """.join(foo.split())
13,557,937	How to convert decimal to binary list in python	convert decimal 8 to a list of its binary values	list('{0:0b}'.format(8))
13,557,937	How to convert decimal to binary list in python	convert decimal integer 8 to a list of its binary values as elements	[int(x) for x in list('{0:0b}'.format(8))]
13,557,937	How to convert decimal to binary list in python	convert decimal `8` to binary list	[int(x) for x in bin(8)[2:]]
9,932,549	Is it possible to take an ordered "slice" of a dictionary in Python based on a list of keys?	get key-value pairs in dictionary `my_dictionary` for all keys in list `my_list` in the order they appear in `my_list`	dict(zip(my_list, map(my_dictionary.get, my_list)))
11,144,513	Numpy: cartesian product of x and y array points into single array of 2D points	cartesian product of `x` and `y` array points into single array of 2d points	numpy.dstack(numpy.meshgrid(x, y)).reshape(-1, 2)
16,739,319	Selenium Webdriver - NoSuchElementExceptions	selenium wait for driver `driver` 60 seconds before throwing a NoSuchElementExceptions exception	driver.implicitly_wait(60)
16,739,319	Selenium Webdriver - NoSuchElementExceptions	selenium webdriver switch to frame 'frameName'	driver.switch_to_frame('frameName')
21,618,351	Format time string in Python 3.3	format current date to pattern '{%Y-%m-%d %H:%M:%S}'	time.strftime('{%Y-%m-%d %H:%M:%S}')
17,713,873	How do I sort a Python list of time values?	sort list `['14:10:01', '03:12:08']`	sorted(['14:10:01', '03:12:08'])
20,778,951	Regex for location matching - Python	find all occurrences of regex pattern '(?:\\w+(?:\\s+\\w+),\\s)+(?:\\w+(?:\\s\\w+))' in string `x`	re.findall('(?:\\w+(?:\\s+\\w+),\\s)+(?:\\w+(?:\\s\\w+))', x)

13,411,544

Delete column from pandas DataFrame

delete a column `column_name` without having to reassign from pandas data frame `df`

df.drop('column_name', axis=1, inplace=True)

10,750,802

Disable abbreviation in argparse

disable abbreviation in argparse

parser = argparse.ArgumentParser(allow_abbrev=False)

35,711,059

Extract dictionary value from column in data frame

extract dictionary values by key 'Feature3' from data frame `df`

feature3 = [d.get('Feature3') for d in df.dic]

14,734,533

How to access pandas groupby dataframe by key

get data of column 'A' and column 'B' in dataframe `df` where column 'A' is equal to 'foo'

df.loc[gb.groups['foo'], ('A', 'B')]

517,355

String formatting in Python

print '[1, 2, 3]'

print('[%s, %s, %s]' % (1, 2, 3))

517,355

String formatting in Python

Display `1 2 3` as a list of string

print('[{0}, {1}, {2}]'.format(1, 2, 3))

17,106,819

Accessing Python dict values with the key start characters

get values from a dictionary `my_dict` whose key contains the string `Date`

[v for k, v in list(my_dict.items()) if 'Date' in k]

18,724,607

Python date string formatting

null

"""{0.month}/{0.day}/{0.year}""".format(my_date)

22,397,058

Dropping a single (sub-) column from a MultiIndex

drop a single subcolumn 'a' in column 'col1' from a dataframe `df`

df.drop(('col1', 'a'), axis=1)

22,397,058

Dropping a single (sub-) column from a MultiIndex

dropping all columns named 'a' from a multiindex 'df', across all level.

df.drop('a', level=1, axis=1)

19,121,722

Build Dictionary in Python Loop - List and Dictionary Comprehensions

build dictionary with keys of dictionary `_container` as keys and values of returned value of function `_value` with correlating key as parameter

{_key: _value(_key) for _key in _container}

34,527,388

How to click on the text button using selenium python

click on the text button 'section-select-all' using selenium python

browser.find_element_by_class_name('section-select-all').click()

17,604,837

Python - Combine two dictionaries, concatenate string values?

combine two dictionaries `d ` and `d1`, concatenate string values with identical `keys`

dict((k, d.get(k, '') + d1.get(k, '')) for k in keys)

16,735,786

How to generate unique equal hash for equal dictionaries?

generate unique equal hash for equal dictionaries `a` and `b`

hash(pformat(a)) == hash(pformat(b))

18,938,276

How to convert nested list of lists into a list of tuples in python 3.3?

convert nested list of lists `[['tom', 'cat'], ['jerry', 'mouse'], ['spark', 'dog']]` into a list of tuples

list(map(tuple, [['tom', 'cat'], ['jerry', 'mouse'], ['spark', 'dog']]))

17,166,601

Summing across rows of Pandas Dataframe

sum the column `positions` along the other columns `stock`, `same1`, `same2` in a pandas data frame `df`

df.groupby(['stock', 'same1', 'same2'], as_index=False)['positions'].sum()

17,166,601

Summing across rows of Pandas Dataframe

null

df.groupby(['stock', 'same1', 'same2'])['positions'].sum().reset_index()

9,257,094

change a string into uppercase

change string `s` to upper case

s.upper()

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(';'))

15,459,217

how to set cookie in python mechanize

Add header `('Cookie', 'cookiename=cookie value')` to mechanize browser `br`

br.addheaders = [('Cookie', 'cookiename=cookie value')]

38,147,447

How to remove square bracket from pandas dataframe

set data in column 'value' of dataframe `df` equal to first element of each list

df['value'] = df['value'].str[0]

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)

38,147,447

How to remove square bracket from pandas dataframe

remove square bracket '[]' from pandas dataframe `df` column 'value'

df['value'] = df['value'].str.strip('[]')

17,462,994

Python getting a string (key + value) from Python Dictionary

Get a string with string formatting from dictionary `d`

""", """.join(['{}_{}'.format(k, v) for k, v in d.items()])

15,465,204

Easier way to add multiple list items?

Sum of sums of each list, in a list of lists named 'lists'.

sum(sum(x) for x in lists)

14,766,194

testing whether a Numpy array contains a given row

Check whether a numpy array `a` contains a given row `[1, 2]`

any(np.equal(a, [1, 2]).all(1))

22,240,602

How do I check if all elements in a list are the same?

check if all elements in list `mylist` are the same

len(set(mylist)) == 1

21,205,074

How to split a string at line breaks in python?

split a string `s` at line breaks `\r\n`

[map(int, x.split('\t')) for x in s.rstrip().split('\r\n')]

20,230,211

Create a hierarchy from a dictionary of lists

sort a dictionary `a` by values that are list type

t = sorted(list(a.items()), key=lambda x: x[1])

4,940,032

Search for string in txt file

Search for string 'blabla' in txt file 'example.txt'

if ('blabla' in open('example.txt').read()): pass

4,940,032

Search for string in txt file

Search for string 'blabla' in txt file 'example.txt'

f = open('example.txt') s = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ) if (s.find('blabla') != (-1)): pass

4,940,032

Search for string in txt file

Search for string `blabla` in txt file 'example.txt'

datafile = file('example.txt') found = False for line in datafile: if (blabla in line): return True return False

14,431,731

Replacing the empty strings in a string

insert string `string1` after each character of `string2`

string2.replace('', string1)[len(string1):-len(string1)]

5,106,228

getting every possible combination in a list

getting every possible combination of two elements in a list

list(itertools.combinations([1, 2, 3, 4, 5, 6], 2))

15,390,374

Python 3: How do I get a string literal representation of a byte string?

get a utf-8 string literal representation of byte string `x`

"""x = {}""".format(x.decode('utf8')).encode('utf8')

3,501,382

Checking whether a variable is an integer

check if `x` is an integer

isinstance(x, int)

3,501,382

Checking whether a variable is an integer

check if `x` is an integer

(type(x) == int)

307,305

Play a Sound with Python

play the wav file 'sound.wav'

winsound.PlaySound('sound.wav', winsound.SND_FILENAME)

4,152,376

How to get the n next values of a generator in a list (python)

create a list containing the `n` next values of generator `it`

[next(it) for _ in range(n)]

4,152,376

How to get the n next values of a generator in a list (python)

get list of n next values of a generator `it`

list(itertools.islice(it, 0, n, 1))

1,388,818

How can I compare two lists in python and return matches

compare two lists in python `a` and `b` and return matches

set(a).intersection(b)

1,388,818

How can I compare two lists in python and return matches

null

[i for i, j in zip(a, b) if i == j]

17,757,450

How to print a list with integers without the brackets, commas and no quotes?

convert list `data` into a string of its elements

print(''.join(map(str, data)))

3,166,619

python regex: match a string with only one instance of a character

match regex pattern '\\$[0-9]+[^\\$]*$' on string '$1 off delicious $5 ham.'

re.match('\\$[0-9]+[^\\$]*$', '$1 off delicious $5 ham.')

10,675,054

How to import a module in Python with importlib.import_module

import a nested module `c.py` within `b` within `a` with importlib

importlib.import_module('.c', 'a.b')

10,675,054

How to import a module in Python with importlib.import_module

import a module 'a.b.c' with importlib.import_module in python 2

importlib.import_module('a.b.c')

7,717,380

how to convert 2d list to 2d numpy array?

Convert array `a` to numpy array

a = np.array(a)

13,794,532

Python regular expression for Beautiful Soup

Find all `div` tags whose classes has the value `comment-` in a beautiful soup object `soup`

soup.find_all('div', class_=re.compile('comment-'))

23,612,271

A sequence of empty lists of length n in Python?

a sequence of empty lists of length `n`

[[] for _ in range(n)]

9,495,262

create dictionary from list of variables

create dictionary from list of variables 'foo' and 'bar' already defined

dict((k, globals()[k]) for k in ('foo', 'bar'))

1,731,346

How to get two random records with Django

get two random records from model 'MyModel' in Django

MyModel.objects.order_by('?')[:2]

29,035,168

How to use a dot in Python format strings?

Print a dictionary `{'user': {'name': 'Markus'}}` with string formatting

"""Hello {user[name]}""".format(**{'user': {'name': 'Markus'}})

20,059,427

Python: using a dict to speed sorting of a list of tuples

create a dictionary `list_dict` containing each tuple in list `tuple_list` as values and the tuple's first element as the corresponding key

list_dict = {t[0]: t for t in tuple_list}

3,996,904

Generate random integers between 0 and 9

Generate a random integer between 0 and 9

randint(0, 9)

3,996,904

Generate random integers between 0 and 9

Generate a random integer between `a` and `b`

random.randint(a, b)

3,996,904

Generate random integers between 0 and 9

print((random.randint(0, 9)))

5,864,271

Reverse a string in Python two characters at a time (Network byte order)

reverse a string `a` by 2 characters at a time

"""""".join(reversed([a[i:i + 2] for i in range(0, len(a), 2)]))

28,664,103

How to transform a time series pandas dataframe using the index attributes?

transform time series `df` into a pivot table aggregated by column 'Close' using column `df.index.date` as index and values of column `df.index.time` as columns

pd.pivot_table(df, index=df.index.date, columns=df.index.time, values='Close')

10,666,163

How to check if all elements of a list matches a condition?

check if the third element of all the lists in a list "items" is equal to zero.

any(item[2] == 0 for item in items)

10,666,163

How to check if all elements of a list matches a condition?

Find all the lists from a lists of list 'items' if third element in all sub-lists is '0'

[x for x in items if x[2] == 0]

16,412,563

Python: sorting dictionary of dictionaries

sort dictionary of dictionaries `dic` according to the key 'Fisher'

sorted(list(dic.items()), key=lambda x: x[1]['Fisher'], reverse=True)

17,952,279

Logarithmic y-axis bins in python

plot a data logarithmically in y axis

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

10,365,225

extract digits in a simple way from a python string

null

map(int, re.findall('\\d+', s))

2,759,323

How can I list the contents of a directory in Python?

list the contents of a directory '/home/username/www/'

os.listdir('/home/username/www/')

2,759,323

How can I list the contents of a directory in Python?

list all the contents of the directory 'path'.

os.listdir('path')

40,076,861

How to merge two DataFrames into single matching the column values

merge a pandas data frame `distancesDF` and column `dates` in pandas data frame `datesDF` into single

pd.concat([distancesDF, datesDF.dates], axis=1)

30,062,429

Python How to get every first element in 2 Dimensional List

get value of first index of each element in list `a`

[x[0] for x in a]

30,062,429

Python How to get every first element in 2 Dimensional List

python how to get every first element in 2 dimensional list `a`

[i[0] for i in a]

5,075,247

Regular expression to remove line breaks

remove line breaks from string `textblock` using regex

re.sub('(?<=[a-z])\\r?\\n', ' ', textblock)

1,883,604

Reading utf-8 characters from a gzip file in python

Open gzip-compressed file encoded as utf-8 'file.gz' in text mode

gzip.open('file.gz', 'rt', encoding='utf-8')

6,159,313

Can Python test the membership of multiple values in a list?

test if either of strings `a` or `b` are members of the set of strings, `['b', 'a', 'foo', 'bar']`

set(['a', 'b']).issubset(['b', 'a', 'foo', 'bar'])

6,159,313

Can Python test the membership of multiple values in a list?

Check if all the values in a list `['a', 'b']` are present in another list `['b', 'a', 'foo', 'bar']`

all(x in ['b', 'a', 'foo', 'bar'] for x in ['a', 'b'])

3,939,361