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How can I remove text within parentheses with a regex?,"re.sub('\\([^)]*\\)', '', filename)" |
How can I tell if a string only contains letter AND spaces,"""""""a b"""""".replace(' ', '').isalpha()" |
Add SUM of values of two LISTS into new LIST,"[(x + y) for x, y in zip(first, second)]" |
How to sort a Python dictionary by value?,"sorted(list(a_dict.items()), key=lambda item: item[1][1])" |
How to exclude a character from a regex group?,re.compile('[^a-zA-Z0-9-]+') |
Get index of the top n values of a list in python,"sorted(list(range(len(a))), key=lambda i: a[i])[-2:]" |
Get index of the top n values of a list in python,"zip(*sorted(enumerate(a), key=operator.itemgetter(1)))[0][-2:]" |
Get index of the top n values of a list in python,"sorted(list(range(len(a))), key=lambda i: a[i], reverse=True)[:2]" |
How to get the index with the key in Python dictionary?,list(x.keys()).index('c') |
"How to print +1 in Python, as +1 (with plus sign) instead of 1?",print('{0:+d}'.format(score)) |
Remove adjacent duplicate elements from a list,"[k for k, g in itertools.groupby([1, 2, 2, 3, 2, 2, 4])]" |
Converting a String to List in Python,"""""""0,1,2"""""".split(',')" |
Converting a String to List in Python,"[int(x) for x in '0,1,2'.split(',')]" |
Python: Convert list of key-value tuples into dictionary?,"dict([('A', 1), ('B', 2), ('C', 3)])" |
How to write a multidimensional array to a text file?,"np.savetxt('test.txt', x)" |
How to store os.system() output in a variable or a list in python,"direct_output = subprocess.check_output('ls', shell=True)" |
Select everything but a list of columns from pandas dataframe,df[df.columns - ['T1_V6']] |
How to count values in a certain range in a Numpy array?,((25 < a) & (a < 100)).sum() |
how to get day name in datetime in python,date.today().strftime('%A') |
Python regular expression match whole word,"re.search('\\bis\\b', your_string)" |
Python: How do I format a date in Jinja2?,{{car.date_of_manufacture | datetime}} |
Python: How do I format a date in Jinja2?,{{car.date_of_manufacture.strftime('%Y-%m-%d')}} |
Making a flat list out of list of lists,[item for sublist in l for item in sublist] |
Making a flat list out of list of lists,list(itertools.chain(*list2d)) |
Making a flat list out of list of lists,list(itertools.chain.from_iterable(list2d)) |
Convert int to ASCII and back in Python,ord('a') |
Python: use regular expression to remove the white space from all lines,"re.sub('(?m)^[^\\S\\n]+', '', ' a\n b\n c\nd e')" |
Python: use regular expression to remove the white space from all lines,"re.sub('(?m)^\\s+', '', 'a\n b\n c')" |
Python: Assign each element of a List to a separate Variable,"a, b, c = [1, 2, 3]" |
Python split a list into subsets based on pattern,"[list(v) for k, v in itertools.groupby(mylist, key=lambda x: x[:5])]" |
Regular expression substitution in Python,"line = re.sub('\\(+as .*?\\) ', '', line)" |
How to skip the extra newline while printing lines read from a file?,print(line.rstrip('\n')) |
Get index values of Pandas DataFrame as list?,df.index.values.tolist() |
check if a list is empty,"if (not a): |
pass" |
check if a list is empty,"if (not seq): |
pass" |
check if a list is empty,"if (len(li) == 0): |
pass" |
Find the indices of elements greater than x,"[i for i, v in enumerate(a) if v > 4]" |
sorting list of nested dictionaries in python,"sorted(yourdata, reverse=True)" |
sorting list of nested dictionaries in python,"sorted(yourdata, key=lambda d: d.get('key', {}).get('subkey'), reverse=True)" |
sorting list of nested dictionaries in python,"yourdata.sort(key=lambda e: e['key']['subkey'], reverse=True)" |
How to remove decimal points in pandas,df.round() |
How to extract data from matplotlib plot,gca().get_lines()[n].get_xydata() |
How to get the N maximum values per row in a numpy ndarray?,"A[:, -2:]" |
MultiValueDictKeyError in Django,"request.GET.get('username', '')" |
Any way to properly pretty-print ordered dictionaries in Python?,pprint(dict(list(o.items()))) |
Django can't find URL pattern,"url('^$', include('sms.urls'))," |
Django can't find URL pattern,"url('^', include('sms.urls'))," |
Pythonic way to get the largest item in a list,"max_item = max(a_list, key=operator.itemgetter(1))" |
Pythonic way to get the largest item in a list,"max(a_list, key=operator.itemgetter(1))" |
How to iterate over time periods in pandas,"s.resample('3M', how='sum')" |
how to extract elements from a list in python?,"[a[i] for i in (1, 2, 5)]" |
Python: Filter lines from a text file which contain a particular word,[line for line in open('textfile') if 'apple' in line] |
How to convert a Date string to a DateTime object?,"datetime.datetime.strptime(s, '%Y-%m-%dT%H:%M:%SZ')" |
"Reading tab-delimited file with Pandas - works on Windows, but not on Mac","pandas.read_csv(filename, sep='\t', lineterminator='\r')" |
Replace first occurence of string,"'longlongTESTstringTEST'.replace('TEST', '?', 1)" |
How can I zip file with a flattened directory structure using Zipfile in Python?,"archive.write(pdffile, os.path.basename(pdffile))" |
"Elegant way to create a dictionary of pairs, from a list of tuples?",dict(x[1:] for x in reversed(myListOfTuples)) |
How to subtract two lists in python,"[(x1 - x2) for x1, x2 in zip(List1, List2)]" |
How to tell if string starts with a number?,string[0].isdigit() |
How to tell if string starts with a number?,"strg.startswith(('0', '1', '2', '3', '4', '5', '6', '7', '8', '9'))" |
How can I find script's directory with Python?,print(os.path.dirname(os.path.realpath(__file__))) |
Finding the surrounding sentence of a char/word in a string,"re.split('(?<=\\?|!|\\.)\\s{0,2}(?=[A-Z]|$)', text)" |
"Plotting a list of (x, y) coordinates in python matplotlib",plt.scatter(*zip(*li)) |
Rearrange tuple of tuples in Python,tuple(zip(*t)) |
Find Average of Every Three Columns in Pandas dataframe,"df.groupby(np.arange(len(df.columns)) // 3, axis=1).mean()" |
How do I convert a list of ascii values to a string in python?,""""""""""""".join(chr(i) for i in L)" |
Python 2.7 Counting number of dictionary items with given value,sum(x == chosen_value for x in list(d.values())) |
Python 2.7 Counting number of dictionary items with given value,sum(1 for x in list(d.values()) if some_condition(x)) |
convert double to float in Python,"struct.unpack('f', struct.pack('f', 0.00582811585976))" |
Converting datetime.date to UTC timestamp in Python,"timestamp = (dt - datetime(1970, 1, 1)).total_seconds()" |
Custom sorting in pandas dataframe,df.sort('m') |
How to sort with lambda in Python,"a = sorted(a, key=lambda x: x.modified, reverse=True)" |
How can I print the Truth value of a variable?,print(bool(a)) |
How can I change a specific row label in a Pandas dataframe?,df = df.rename(index={last: 'a'}) |
Scikit-learn: How to run KMeans on a one-dimensional array?,"km.fit(x.reshape(-1, 1))" |
sorting a list in python,"sorted(words, key=lambda x: 'a' + x if x.startswith('s') else 'b' + x)" |
login to a site using python and opening the login site in the browser,webbrowser.open('http://somesite.com/adminpanel/index.php') |
"Pythonic way to fetch all elements in a dictionary, falling between two keys?","dict((k, v) for k, v in parent_dict.items() if 2 < k < 4)" |
"Pythonic way to fetch all elements in a dictionary, falling between two keys?","dict((k, v) for k, v in parent_dict.items() if k > 2 and k < 4)" |
python sorting two lists,"[list(x) for x in zip(*sorted(zip(list1, list2), key=lambda pair: pair[0]))]" |
number of values in a list greater than a certain number,sum(((i > 5) for i in j)) |
number of values in a list greater than a certain number,len([1 for i in j if (i > 5)]) |
number of values in a list greater than a certain number,"j = np.array(j) |
sum((j > i))" |
Python: elegant way of creating a list of tuples?,"[(x + tuple(y)) for x, y in zip(zip(a, b), c)]" |
Changing file permission in python,"os.chmod(path, stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH)" |
Multiple files for one argument in argparse Python 2.7,"parser.add_argument('file', nargs='*')" |
Comparing values in two lists in Python,"z = [(i == j) for i, j in zip(x, y)]" |
Comparing values in two lists in Python,[(x[i] == y[i]) for i in range(len(x))] |
Python: Extract numbers from a string,"[int(s) for s in re.findall('\\b\\d+\\b', ""he33llo 42 I'm a 32 string 30"")]" |
Create an empty data frame with index from another data frame,df2 = pd.DataFrame(index=df1.index) |
How do I convert a string 2 bytes long to an integer in python,"struct.unpack('h', pS[0:2])" |
Printing lists onto tables in python,"print('\n'.join(' '.join(map(str, row)) for row in t))" |
Sort Pandas Dataframe by Date,df.sort_values(by='Date') |
How can I check if a checkbox is checked in Selenium Python Webdriver?,driver.find_element_by_name('<check_box_name>').is_selected() |
How can I check if a checkbox is checked in Selenium Python Webdriver?,driver.find_element_by_id('<check_box_id>').is_selected() |
Is it possible to use 'else' in a python list comprehension?,"[(a if a else 2) for a in [0, 1, 0, 3]]" |
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