Python & PEP All In One

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Python & PEP All In One

Python Enhancement Proposals / Python 增强建议

demos

PEP 8 – Style Guide for Python Code

4 spaces indentation / 4 空格缩进 （💩 浪费编辑器一行的空间，限制最大 80字符一行）

# Correct: ✅

# Aligned with opening delimiter.
foo = long_function_name(var_one, var_two,
                         var_three, var_four)

# Add 4 spaces (an extra level of indentation) to distinguish arguments from the rest.
def long_function_name(
        var_one, var_two, var_three,
        var_four):
    print(var_one)

# Hanging indents should add a level.
foo = long_function_name(
    var_one, var_two,
    var_three, var_four)

# Wrong: ❌

# Arguments on first line forbidden when not using vertical alignment.
foo = long_function_name(var_one, var_two,
    var_three, var_four)

# Further indentation required as indentation is not distinguishable.
def long_function_name(
    var_one, var_two, var_three,
    var_four):
    print(var_one)

https://peps.python.org/pep-0008/

PEP 279 – The enumerate() built-in function

https://peps.python.org/pep-0279/

refs

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