Test type of elements python tuple/list

Question

How do you verify that the type of all elements in a list or a tuple are the same and of a certain type?

for example:

(1, 2, 3)  # test for all int = True (1, 3, 'a') # test for all int = False 

Answer 1

all(isinstance(n, int) for n in lst) 

Demo:

In [3]: lst = (1,2,3)  In [4]: all(isinstance(n, int) for n in lst) Out[4]: True  In [5]: lst = (1,2,'3')  In [6]: all(isinstance(n, int) for n in lst) Out[6]: False 

Instead of isinstance(n, int) you could also use type(n) is int

Answer 2

all(isinstance(i, int) for i in your_list))