pytest

If you want to write UnitTest when using stdin in Python. Pytest provide setattr function in monkeypatch 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 from io import StringIO import sys def divide(): input = sys.stdin.readline return list(input()) def gather(): input = sys.stdin.readline return sum(list(map(int, input().split()))) def test_divide(monkeypatch): monkeypatch.setattr('sys.stdin', StringIO('abc')) assert divide() == ['a', 'b', 'c'] def test_gather(monkeypatch): monkeypatch....