/Python/How to write a correct python code

How to write a correct python code

$ pycodestyle optparse.py
optparse.py:69:11: E401 multiple imports on one line
optparse.py:77:1: E302 expected 2 blank lines, found 1
optparse.py:88:5: E301 expected 1 blank line, found 0
optparse.py:222:34: W602 deprecated form of raising exception
optparse.py:347:31: E211 whitespace before '('
optparse.py:357:17: E201 whitespace after '{'
optparse.py:472:29: E221 multiple spaces before operator
optparse.py:544:21: W601 .has_key() is deprecated, use 'in'

Source: docs.python-guide.org

How to write a correct python code

my_very_big_string = (
    "For a long time I used to go to bed early. Sometimes, "
    "when I had put out my candle, my eyes would close so quickly "
    "that I had not even time to say “I’m going to sleep.”"
)

from some.deep.module.inside.a.module import (
    a_nice_function, another_nice_function, yet_another_nice_function)

Source: docs.python-guide.org

How to write a correct python code

d = {'hello': 'world'}

print(d.get('hello', 'default_value')) # prints 'world'
print(d.get('thingy', 'default_value')) # prints 'default_value'

# Or:
if 'hello' in d:
    print(d['hello'])

Source: docs.python-guide.org

How to write a correct python code

a = [3, 4, 5]
a = [i + 3]

How to write a correct python code

four_lists = [[] for __ in range(4)]

Source: docs.python-guide.org

How to write a correct python code

a = [3, 4, 5]
b = a

# assign the variable "a" to a new list without changing "b"
a = [i + 3 for i in a]

Source: docs.python-guide.org

Similar codes

24 votes238 views4 answers
Return max integer from list
Python
40 votes286 views6 answers
Count nan pandas
Python
10 votes279 views5 answers
Pandas to list of dicts
Python
1 vote265 views1 answer
Python tkinter lable on bottom of screen
Python
0 vote270 views1 answer
Comparison of two csv file and output with differences?
Python
0 vote279 views1 answer
Pyodbc cursor create list of dictionaries
Python
4 votes292 views1 answer
Np array to wav file
Python
0 vote366 views1 answer
Tables in discord.py
Python
1 vote294 views1 answer
What is serialization in django
Python Django
2 votes274 views2 answers
Sort by multiple keys in object python
Python