must add type when decalre variable in python code example

Example 1: how to create a variable in python

variable1 = "value" # string
variable2 = 1000000 # integer
variable3 = 10000.0 # real/float
variable4 = True # boolean: True or False

Example 2: python typing list of strings

from typing import List

def my_func(l: List[int]):
    pass

Example 3: python typing module list

"""
typing.Tuple and typing.List are Generic types; this means you can specify what type their contents must be:
"""

def f(points: Tuple[float, float]):
    return map(do_stuff, points)

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