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How to remove all the punctuation in a string? (Python),"out = ''.join(c for c in asking if c not in ('!', '.', ':'))" |
Python: BeautifulSoup - get an attribute value based on the name attribute,"soup.find('meta', {'name': 'City'})['content']" |
How to unquote a urlencoded unicode string in python?,urllib.parse.unquote('%0a') |
How to unquote a urlencoded unicode string in python?,urllib.parse.unquote(url).decode('utf8') |
empty a list,del lst[:] |
empty a list,del lst1[:] |
empty a list,lst[:] = [] |
empty a list,alist[:] = [] |
Pandas reset index on series to remove multiindex,s.reset_index(0).reset_index(drop=True) |
How to convert unicode text to normal text,elems[0].getText().encode('utf-8') |
Subtracting the current and previous item in a list,"[(y - x) for x, y in zip(L, L[1:])]" |
Cleanest way to get a value from a list element,"print(re.search('\\bLOG_ADDR\\s+(\\S+)', line).group(1))" |
Importing everything ( * ) dynamically from a module,globals().update(importlib.import_module('some.package').__dict__) |
Convert a list of characters into a string,""""""""""""".join(['a', 'b', 'c', 'd'])" |
Slicing URL with Python,url.split('&') |
sort a dictionary by key,od = collections.OrderedDict(sorted(d.items())) |
sort a dictionary by key,"OrderedDict(sorted(list(d.items()), key=(lambda t: t[0])))" |
PUT Request to REST API using Python,"response = requests.put(url, data=json.dumps(data), headers=headers)" |
Python remove anything that is not a letter or number,"re.sub('[\\W_]+', '', s)" |
Python Nested List Comprehension with two Lists,[(x + y) for x in l2 for y in l1] |
convert string to dict using list comprehension in python,dict([x.split('=') for x in s.split()]) |
Remove object from a list of objects in python,my_list.pop(2) |
How to delete a character from a string using python?,"s = s.replace('M', '')" |
How to delete a character from a string using python?,"newstr = oldstr.replace('M', '')" |
How can I sum the product of two list items using for loop in python?,"sum(x * y for x, y in zip(a, b))" |
How can I sum the product of two list items using for loop in python?,"list(x * y for x, y in list(zip(a, b)))" |
How can I sum the product of two list items using for loop in python?,"sum(i * j for i, j in zip(a, b))" |
How can I sum the product of two list items using for loop in python?,"sum(x * y for x, y in list(zip(a, b)))" |
Can I read and write file in one line with Python?,"f.write(open('xxx.mp4', 'rb').read())" |
How to add an integer to each element in a list?,new_list = [(x + 1) for x in my_list] |
Return list of items in list greater than some value,[x for x in j if x >= 5] |
matplotlib: Set markers for individual points on a line,"plt.plot(list(range(10)), '--bo')" |
matplotlib: Set markers for individual points on a line,"plt.plot(list(range(10)), linestyle='--', marker='o', color='b')" |
split elements of a list in python,"[i.split('\t', 1)[0] for i in l]" |
split elements of a list in python,myList = [i.split('\t')[0] for i in myList] |
Summing elements in a list,sum(your_list) |
How to attach debugger to a python subproccess?,ForkedPdb().set_trace() |
Python: comprehension to compose two dictionaries,"result = {k: d2.get(v) for k, v in list(d1.items())}" |
datetime.datetime.now() + 1,"datetime.datetime.now() + datetime.timedelta(days=1, hours=3)" |
Convert binary string to list of integers using Python,"[int(s[i:i + 3], 2) for i in range(0, len(s), 3)]" |
switching keys and values in a dictionary in python,"dict((v, k) for k, v in my_dict.items())" |
Specific sort a list of numbers separated by dots,"print(sorted(L, key=lambda x: int(x.split('.')[2])))" |
How to find a value in a list of python dictionaries?,any(d['name'] == 'Test' for d in label) |
How can I remove all instances of an element from a list in Python?,"a[:] = [x for x in a if x != [1, 1]]" |
How can I remove all instances of an element from a list in Python?,"[x for x in a if x != [1, 1]]" |
Convert a list to a dictionary in Python,"b = {a[i]: a[i + 1] for i in range(0, len(a), 2)}" |
How to check whether elements appears in the list only once in python?,len(set(a)) == len(a) |
Generating an MD5 checksum of a file,"print(hashlib.md5(open(full_path, 'rb').read()).hexdigest())" |
How to sort a dictionary in python by value when the value is a list and I want to sort it by the first index of that list,"sorted(list(data.items()), key=lambda x: x[1][0])" |
Pythons fastest way of randomising case of a string,""""""""""""".join(x.upper() if random.randint(0, 1) else x for x in s)" |
How to force os.system() to use bash instead of shell,"os.system('GREPDB=""echo 123""; /bin/bash -c ""$GREPDB""')" |
How to force os.system() to use bash instead of shell,"os.system('/bin/bash -c ""echo hello world""')" |
how to access the class variable by string in Python?,"getattr(test, a_string)" |
How to display a jpg file in Python?,Image.open('pathToFile').show() |
Replace the single quote (') character from a string,"""""""didn't"""""".replace(""'"", '')" |
Sorting files in a list,files.sort(key=file_number) |
remove all whitespace in a string,"sentence.replace(' ', '')" |
remove all whitespace in a string,"pattern = re.compile('\\s+') |
sentence = re.sub(pattern, '', sentence)" |
remove all whitespace in a string,sentence.strip() |
remove all whitespace in a string,"sentence = re.sub('\\s+', '', sentence, flags=re.UNICODE)" |
remove all whitespace in a string,sentence = ''.join(sentence.split()) |
Sum all values of a counter in Python,sum(my_counter.values()) |
Numpy: find the euclidean distance between two 3-D arrays,np.sqrt(((A - B) ** 2).sum(-1)) |
Python: define multiple variables of same type?,"levels = [{}, {}, {}]" |
Find the sum of subsets of a list in python,"weekly = [sum(visitors[x:x + 7]) for x in range(0, len(daily), 7)]" |
Delete an element from a dictionary,del d[key] |
Delete an element from a dictionary,{i: a[i] for i in a if (i != 0)} |
Delete an element from a dictionary,lol.pop('hello') |
Delete an element from a dictionary,del r[key] |
Efficient computation of the least-squares algorithm in NumPy,"np.linalg.solve(np.dot(a.T, a), np.dot(a.T, b))" |
Splitting dictionary/list inside a Pandas Column into Separate Columns,"pd.concat([df.drop('b', axis=1), pd.DataFrame(df['b'].tolist())], axis=1)" |
loop through a Python list by twos,"for i in range(0, 10, 2): |
pass" |
loop through a Python list by twos,"for i in mylist[::2]: |
pass" |
How to use map to lowercase strings in a dictionary?,[{'content': x['content'].lower()} for x in messages] |
convert list into string with spaces in python,""""""" """""".join(my_list)" |
Regex. Match words that contain special characters or 'http://',"re.sub('(http://\\S+|\\S*[^\\w\\s]\\S*)', '', a)" |
How to check for palindrome using Python logic,str(n) == str(n)[::-1] |
How to upload binary file with ftplib in Python?,"ftp.storbinary('STOR myfile.txt', open('myfile.txt', 'rb'))" |
How to remove all characters before a specific character in Python?,"re.sub('.*I', 'I', stri)" |
Python parse comma-separated number into int,"int('1,000,000'.replace(',', ''))" |
Combine two Pandas dataframes with the same index,"pd.merge(df1, df2, left_index=True, right_index=True, how='outer')" |
Combine two Pandas dataframes with the same index,"pandas.concat([df1, df2], axis=1)" |
What's the best way to aggregate the boolean values of a Python dictionary?,all(dict.values()) |
How to extract first two characters from string using regex,"df.c_contofficeID.str.replace('^12(?=.{4}$)', '')" |
reverse a list,L[::(-1)] |
reverse a list,reversed(array) |
reverse a list,L.reverse() |
reverse a list,list(reversed(array)) |
How to index nested lists in Python?,[tup[0] for tup in A] |
Replacing characters in a file,"newcontents = contents.replace('a', 'e').replace('s', '3')" |
How to serialize SqlAlchemy result to JSON?,json.dumps([dict(list(row.items())) for row in rs]) |
Cross-platform addressing of the config file,config_file = os.path.expanduser('~/foo.ini') |
How to get multiple parameters with same name from a URL in Pylons?,request.params.getall('c') |
how to create similarity matrix in numpy python?,np.corrcoef(x) |
Python - Find the greatest number in a set of numbers,"print(max(1, 2, 3))" |
Google App Engine - Request class query_string,self.request.get('var_name') |
python pandas: apply a function with arguments to a series. Update,"a['x'].apply(lambda x, y: x + y, args=(100,))" |
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