Python 3.5+ type annotations

Harshit Jain Harshit Jain

Harshit Jain

发布日期: 2022年7月27日
+ 关注 
# Python 3.5+ supports 'type annotations' that can b
# used with tools like Mypy to write statically typed Python:

def calculate(a: int, b: int) -> int:
    return a + b

要查看或添加评论，请登录

Harshit Jain的更多文章

  • positional only & keyword only arguments
    2023年4月26日

    positional only & keyword only arguments

    # with using "/" you can represent parameters before it as positional argments and # with using "*" you can…

  • Build your own iterator
    2023年4月4日

    Build your own iterator

    # Define your own iteraotr by using __iter__ & __next__ functions. class OddNumbers: def __iter__(self):…

  • "sep" & "end" parameter in print()
    2023年1月22日

    "sep" & "end" parameter in print()

    #Their is one more cool way you can use to represent your print() function outputs. Default is to separate them with a…

  • Packing & Unpacking in python
    2023年1月14日

    Packing & Unpacking in python

    # we can unpack iterables to variables in a single assignment using automatic unpacking. Below is an example of…

  • __init__() & __new__() in python
    2022年8月10日

    __init__() & __new__() in python

    # __init__() behaves like a constructor and invoked automatically at the time of object declaration along with…

  • Peeking Behind The Bytecode Curtain
    2022年7月20日

    Peeking Behind The Bytecode Curtain

    # You can use Python's built-in "dis # module to disassemble functions and # inspect their CPython VM bytecode: >>>…

  • contextlib.suppress
    2022年7月18日

    contextlib.suppress

    # In Python 3.4+ you can use # contextlib.

  • Python list slice syntax fun
    2022年7月13日

    Python list slice syntax fun

    # Python's list slice syntax can be used without indices # for a few fun and useful things: # You can clear all…

  • When To Use __repr__ vs __str__?
    2022年7月11日

    When To Use __repr__ vs __str__?

    # When To Use __repr__ vs __str__ # Emulate what the std lib does: >>> import datetime >>> today = datetime.date.

  • Merging two dicts in Python 3.5+ with a single expression
    2022年7月8日

    Merging two dicts in Python 3.5+ with a single expression

    # How to merge two dictionaries # in Python 3.5+ >>> x = {'a': 1, 'b': 2} >>> y = {'b': 3, 'c': 4} >>> z = {**x, **y}…

    1 条评论

社区洞察

其他会员也浏览了