question_id
int64 1.48k
42.8M
| intent
stringlengths 11
122
| rewritten_intent
stringlengths 4
183
⌀ | snippet
stringlengths 2
232
|
|---|---|---|---|
29,422,691 |
How to count the number of occurences of `None` in a list?
|
print the number of occurences of not `none` in a list `lst` in Python 2
|
print(len([x for x in lst if x is not None]))
|
19,745,091 |
Accessing dictionary by key in Django template
|
lookup dictionary key `key1` in Django template `json`
|
{{json.key1}}
|
12,897,374 |
Get unique values from a list in python
|
remove duplicates from list `myset`
|
mynewlist = list(myset)
|
12,897,374 |
Get unique values from a list in python
|
get unique values from the list `['a', 'b', 'c', 'd']`
|
set(['a', 'b', 'c', 'd'])
|
15,571,267 |
Python: A4 size for a plot
|
set size of `figure` to landscape A4 i.e. `11.69, 8.27` inches
|
figure(figsize=(11.69, 8.27))
|
7,253,803 |
How to get everything after last slash in a URL?
|
get every thing after last `/`
|
url.rsplit('/', 1)
|
7,253,803 |
How to get everything after last slash in a URL?
|
get everything after last slash in a url stored in variable 'url'
|
url.rsplit('/', 1)[-1]
|
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')
|
5,501,641 |
How to create a list with the characters of a string?
|
create a list with the characters of a string `5+6`
|
list('5+6')
|
33,711,985 |
Flattening a list of NumPy arrays?
|
concatenate a list of numpy arrays `input_list` together into a flattened list of values
|
np.concatenate(input_list).ravel().tolist()
|
11,351,874 |
Converting a dict into a list
|
convert dictionary `dict` into a flat list
|
print([y for x in list(dict.items()) for y in x])
|
11,351,874 |
Converting a dict into a list
|
Convert a dictionary `dict` into a list with key and values as list items.
|
[y for x in list(dict.items()) for y in x]
|
962,619 |
How to pull a random record using Django's ORM?
|
get a random record from model 'MyModel' using django's orm
|
MyModel.objects.order_by('?').first()
|
20,796,355 |
change current working directory in python
|
change current working directory to directory 'chapter3'
|
os.chdir('chapter3')
|
20,796,355 |
change current working directory in python
|
change current working directory
|
os.chdir('C:\\Users\\username\\Desktop\\headfirstpython\\chapter3')
|
20,796,355 |
change current working directory in python
|
change current working directory
|
os.chdir('.\\chapter3')
|
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])
|
17,618,981 |
How to sort pandas data frame using values from several columns?
|
sort pandas data frame `df` using values from columns `c1` and `c2` in ascending order
|
df.sort(['c1', 'c2'], ascending=[True, True])
|
4,004,550 |
Converting string series to float list
|
Converting string lists `s` to float list
|
floats = [float(x) for x in s.split()]
|
4,004,550 |
Converting string series to float list
|
Converting string lists `s` to float list
|
floats = map(float, s.split())
|
10,839,719 |
How to set "step" on axis X in my figure in matplotlib python 2.6.6?
|
set labels `[1, 2, 3, 4, 5]` on axis X in plot `plt`
|
plt.xticks([1, 2, 3, 4, 5])
|
1,450,393 |
read from stdin
|
read line by line from stdin
|
for line in fileinput.input():
pass
|
1,450,393 |
read from stdin
|
read line by line from stdin
|
for line in sys.stdin:
pass
|
8,214,932 |
How to check if a value exists in a dictionary (python)
|
check if string `one` exists in the values of dictionary `d`
|
'one' in list(d.values())
|
8,214,932 |
How to check if a value exists in a dictionary (python)
|
Check if value 'one' is among the values of dictionary `d`
|
'one' in iter(d.values())
|
12,557,612 |
Calling a parent class constructor from a child class in python
|
call parent class `Instructor` of child class constructor
|
super(Instructor, self).__init__(name, year)
|
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))
|
10,915,391 |
Sorting a list of dicts by dict values
|
sort a list of dictionaries `a` by dictionary values in descending order
|
sorted(a, key=lambda i: list(i.values())[0], reverse=True)
|
10,915,391 |
Sorting a list of dicts by dict values
|
sorting a list of dictionary `a` by values in descending order
|
sorted(a, key=dict.values, reverse=True)
|
39,159,475 |
pandas: how to do multiple groupby-apply operations
|
Use multiple groupby and agg operations `sum`, `count`, `std` for pandas data frame `df`
|
df.groupby(level=0).agg(['sum', 'count', 'std'])
|
20,585,920 |
How to add multiple values to a dictionary key in python?
|
for a dictionary `a`, set default value for key `somekey` as list and append value `bob` in that key
|
a.setdefault('somekey', []).append('bob')
|
11,692,613 |
Python - sum values in dictionary
|
sum values in list of dictionaries `example_list` with key 'gold'
|
sum(item['gold'] for item in example_list)
|
11,692,613 |
Python - sum values in dictionary
|
get a sum of all values from key `gold` in a list of dictionary `example_list`
|
sum([item['gold'] for item in example_list])
|
11,692,613 |
Python - sum values in dictionary
|
Get all the values in key `gold` summed from a list of dictionary `myLIst`
|
sum(item['gold'] for item in myLIst)
|
2,918,362 |
writing string to a file on a new line everytime?
|
writing string 'text to write\n' to file `f`
|
f.write('text to write\n')
|
2,918,362 |
writing string to a file on a new line everytime?
|
Write a string `My String` to a file `file` including new line character
|
file.write('My String\n')
|
14,358,567 |
Finding consecutive segments in a pandas data frame
|
find consecutive segments from a column 'A' in a pandas data frame 'df'
|
df.reset_index().groupby('A')['index'].apply(np.array)
|
1,270,951 |
Python - how to refer to relative paths of resources when working with code repository
|
get a relative path of file 'my_file' into variable `fn`
|
fn = os.path.join(os.path.dirname(__file__), 'my_file')
|
59,825 |
How to retrieve an element from a set without removing it?
|
retrieve an element from a set `s` without removing it
|
e = next(iter(s))
|
5,486,725 |
How to execute a command prompt command from python
|
execute a command in the command prompt to list directory contents of the c drive `c:\\'
|
os.system('dir c:\\')
|
5,218,948 |
How to auto-scroll a gtk.scrolledwindow?
|
Make a auto scrolled window to the end of the list in gtk
|
self.treeview.connect('size-allocate', self.treeview_changed)
|
9,542,738 |
Python: Find in list
|
check if 3 is inside list `[1, 2, 3]`
|
3 in [1, 2, 3]
|
10,541,640 |
Convert date format python
|
Represent DateTime object '10/05/2012' with format '%d/%m/%Y' into format '%Y-%m-%d'
|
datetime.datetime.strptime('10/05/2012', '%d/%m/%Y').strftime('%Y-%m-%d')
|
7,262,828 |
python : how to convert string literal to raw string literal?
|
convert a string literal `s` with values `\\` to raw string literal
|
s = s.replace('\\', '\\\\')
|
6,086,047 |
Get output of python script from within python script
|
get output of script `proc`
|
print(proc.communicate()[0])
|
41,946,927 |
Getting pandas dataframe from list of nested dictionaries
|
create a pandas data frame from list of nested dictionaries `my_list`
|
pd.concat([pd.DataFrame(l) for l in my_list], axis=1).T
|
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))]
|
20,183,069 |
How to sort multidimensional array by column?
|
sort a multidimensional array `a` by column with index 1
|
sorted(a, key=lambda x: x[1])
|
9,905,471 |
string to list conversion in python
|
split string `s` to list conversion by ','
|
[x.strip() for x in s.split(',')]
|
9,089,043 |
Get list item by attribute in Python
|
Get a list of items in the list `container` with attribute equal to `value`
|
items = [item for item in container if item.attribute == value]
|
3,820,312 |
Python: Write a list of tuples to a file
|
create a file 'filename' with each tuple in the list `mylist` written to a line
|
open('filename', 'w').write('\n'.join('%s %s' % x for x in mylist))
|
17,407,691 |
Python regex to match multiple times
|
Get multiple matched strings using regex pattern `(?:review: )?(http://url.com/(\\d+))\\s?`
|
pattern = re.compile('(?:review: )?(http://url.com/(\\d+))\\s?', re.IGNORECASE)
|
8,369,219 |
How do I read a text file into a string variable in Python
|
read a text file 'very_Important.txt' into a string variable `str`
|
str = open('very_Important.txt', 'r').read()
|
33,680,914 |
Grouping dataframes in pandas?
|
Return values for column `C` after group by on column `A` and `B` in dataframe `df`
|
df.groupby(['A', 'B'])['C'].unique()
|
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()
|
3,277,503 |
read a file line by line into a list
|
read file 'filename' line by line into a list `lines`
|
with open('filename') as f:
lines = f.readlines()
|
3,277,503 |
read a file line by line into a list
|
read file 'filename' line by line into a list `lines`
|
lines = [line.rstrip('\n') for line in open('filename')]
|
3,277,503 |
read a file line by line into a list
|
read file "file.txt" line by line into a list `array`
|
with open('file.txt', 'r') as ins:
array = []
for line in ins:
array.append(line)
|
17,134,716 |
Convert DataFrame column type from string to datetime
|
convert the dataframe column 'col' from string types to datetime types
|
df['col'] = pd.to_datetime(df['col'])
|
41,251,391 |
Can a list of all member-dict keys be created from a dict of dicts using a list comprehension?
|
get a list of the keys in each dictionary in a dictionary of dictionaries `foo`
|
[k for d in list(foo.values()) for k in d]
|
7,173,850 |
Possible to get user input without inserting a new line?
|
get user input using message 'Enter name here: ' and insert it to the first placeholder in string 'Hello, {0}, how do you do?'
|
print('Hello, {0}, how do you do?'.format(input('Enter name here: ')))
|
41,386,443 |
Create Pandas DataFrame from txt file with specific pattern
|
create pandas data frame `df` from txt file `filename.txt` with column `Region Name` and separator `;`
|
df = pd.read_csv('filename.txt', sep=';', names=['Region Name'])
|
34,962,104 |
Pandas: How can I use the apply() function for a single column?
| null |
df['a'] = df['a'].apply(lambda x: x + 1)
|
30,015,665 |
How to check whether the system is FreeBSD in a python script?
|
get the platform OS name
|
platform.system()
|
17,474,211 |
How to sort python list of strings of numbers
|
sort list `a` in ascending order based on its elements' float values
|
a = sorted(a, key=lambda x: float(x))
|
6,633,678 |
Finding words after keyword in python
|
finding words in string `s` after keyword 'name'
|
re.search('name (.*)', s)
|
12,345,387 |
Removing _id element from Pymongo results
|
Find all records from collection `collection` without extracting mongo id `_id`
|
db.collection.find({}, {'_id': False})
|
903,853 |
How do you extract a column from a multi-dimensional array?
|
Get all the second values from a list of lists `A`
|
[row[1] for row in A]
|
903,853 |
How do you extract a column from a multi-dimensional array?
|
extract first column from a multi-dimensional array `a`
|
[row[0] for row in a]
|
9,758,959 |
Python - how to sort a list of numerical values in ascending order
|
sort list `['10', '3', '2']` in ascending order based on the integer value of its elements
|
sorted(['10', '3', '2'], key=int)
|
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/'
|
8,122,079 |
Python: How to check a string for substrings from a list?
|
check if any element of list `substring_list` are in string `string`
|
any(substring in string for substring in substring_list)
|
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'])
|
27,589,325 |
How to find and replace nth occurence of word in a sentence using python regular expression?
|
find and replace 2nd occurrence of word 'cat' by 'Bull' in a sentence 's'
|
re.sub('^((?:(?!cat).)*cat(?:(?!cat).)*)cat', '\\1Bull', s)
|
27,589,325 |
How to find and replace nth occurence of word in a sentence using python regular expression?
|
find and replace 2nd occurrence of word 'cat' by 'Bull' in a sentence 's'
|
re.sub('^((.*?cat.*?){1})cat', '\\1Bull', s)
|
4,287,209 |
Sort list of strings by integer suffix in python
|
sort list of strings in list `the_list` by integer suffix
|
sorted(the_list, key=lambda k: int(k.split('_')[1]))
|
4,287,209 |
Sort list of strings by integer suffix in python
|
sort list of strings `the_list` by integer suffix before "_"
|
sorted(the_list, key=lambda x: int(x.split('_')[1]))
|
27,659,153 |
How to group similar items in a list?
|
make a list of lists in which each list `g` are the elements from list `test` which have the same characters up to the first `_` character
|
[list(g) for _, g in itertools.groupby(test, lambda x: x.split('_')[0])]
|
27,659,153 |
How to group similar items in a list?
| null |
[list(g) for _, g in itertools.groupby(test, lambda x: x.partition('_')[0])]
|
4,618,373 |
How do I use the HTMLUnit driver with Selenium from Python?
|
Load the url `http://www.google.com` in selenium webdriver `driver`
|
driver.get('http://www.google.com')
|
14,043,080 |
Using Python's datetime module, can I get the year that UTC-11 is currently in?
|
using python's datetime module, get the year that utc-11 is currently in
|
(datetime.datetime.utcnow() - datetime.timedelta(hours=11)).year
|
33,435,418 |
How to find the difference between 3 lists that may have duplicate numbers
|
Get the difference between two lists `[1, 2, 2, 2, 3]` and `[1, 2]` that may have duplicate values
|
Counter([1, 2, 2, 2, 3]) - Counter([1, 2])
|
3,662,142 |
How to remove tags from a string in python using regular expressions? (NOT in HTML)
|
remove tags from a string `mystring`
|
re.sub('<[^>]*>', '', mystring)
|
200,738 |
How can I unpack binary hex formatted data in Python?
|
encode string `data` as `hex`
|
data.encode('hex')
|
10,040,143 |
How to do a less than or equal to filter in Django queryset?
|
filter `Users` by field `userprofile` with level greater than or equal to `0`
|
User.objects.filter(userprofile__level__gte=0)
|
11,924,135 |
How to use Beautiful Soup to find a tag with changing id?
|
BeautifulSoup find a tag whose id ends with string 'para'
|
soup.findAll(id=re.compile('para$'))
|
11,924,135 |
How to use Beautiful Soup to find a tag with changing id?
|
select `div` tags whose `id`s begin with `value_xxx_c_1_f_8_a_`
|
soup.select('div[id^="value_xxx_c_1_f_8_a_"]')
|
4,915,920 |
How to delete an item in a list if it exists?
|
delete an item `thing` in a list `some_list` if it exists
|
cleaned_list = [x for x in some_list if x is not thing]
|
70,797 |
user input and commandline arguments
|
print "Please enter something: " to console, and read user input to `var`
|
var = input('Please enter something: ')
|
4,641,765 |
Add to integers in a list
|
append 4 to list `foo`
|
foo.append(4)
|
4,641,765 |
Add to integers in a list
|
append a list [8, 7] to list `foo`
|
foo.append([8, 7])
|
4,641,765 |
Add to integers in a list
|
insert 77 to index 2 of list `x`
|
x.insert(2, 77)
|
11,837,979 |
Removing white space around a saved image in matplotlib
|
remove white space padding around a saved image `test.png` in matplotlib
|
plt.savefig('test.png', bbox_inches='tight')
|
1,720,421 |
concatenate lists
|
concatenate lists `listone` and `listtwo`
|
(listone + listtwo)
|
1,720,421 |
concatenate lists
|
iterate items in lists `listone` and `listtwo`
|
for item in itertools.chain(listone, listtwo):
pass
|
22,086,116 |
how do you filter pandas dataframes by multiple columns
|
create dataframe `males` containing data of dataframe `df` where column `Gender` is equal to 'Male' and column `Year` is equal to 2014
|
males = df[(df[Gender] == 'Male') & (df[Year] == 2014)]
|
19,095,796 |
How to print backslash with Python?
|
print backslash
|
print('\\')
|
17,097,236 |
How to replace values with None in Pandas data frame in Python?
|
replace '-' in pandas dataframe `df` with `np.nan`
|
df.replace('-', np.nan)
|
13,411,544 |
Delete column from pandas DataFrame
|
delete column 'column_name' from dataframe `df`
|
df = df.drop('column_name', 1)
|
13,411,544 |
Delete column from pandas DataFrame
|
delete 1st, 2nd and 4th columns from dataframe `df`
|
df.drop(df.columns[[0, 1, 3]], axis=1)
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.