/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

0 vote203 views1 answer
Python send commands in one line but write in multiple
Python
0 vote178 views1 answer
Pendulum python
Python
1 vote233 views1 answer
Mac catallina python3
Python
2 votes148 views2 answers
Install python3.7 ubuntu 20.04
Python
1 vote157 views1 answer
Message on member joining discord.py
Python
1 vote178 views2 answers
Sort a list of array python
Python
19 votes146 views1 answer
Python turn of userwarning
Python
2 votes162 views1 answer
All frequency offset in pandas
Python
0 vote210 views1 answer
Pyspark case when
Python
0 vote149 views1 answer
How to use self.list.setCurrentRow() in pyqt5
Python