Python nested type check in runtime without external packages -

this question has answer here:

• how perform type checking typing python module? 1 answer
• python >=3.5: checking type annotation @ runtime 1 answer

is there type checking api python3.5 typing can use check nested types in runtime. example:

from typing import list check_type([1,2,3], list[int]) # true check_type([1,2,''], list[int]) # false 

this example (it can 3 or more levels nested, have list, tuple, dict)

you can use all() built-in function below:

def check_type(iterable, tp):     return all(isinstance(item, tp) item in iterable) 

output:

>>> check_type([1, 2, 3], int) true >>> >>> check_type([1, 2, ''], int) false