python types list code example

Example 1: python type == list

if isinstance(object, list):
       ## DO what you want

Example 2: python function argument type

def pick(l: list, index: int) -> int:
    return l[index]

Example 3: python typing list of strings

from typing import List

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

Example 4: specify return type python function

def greeting(name: str) -> str:
  return 'Hello, {}'.format(name)