01. Largest Of Three Numbers

import sys

max = -sys.maxsize
for i in range(3):
    num = int(input())
    if num > max:
        max = num
print(max)

Решение с max():

a = int(input())
b = int(input())
c = int(input())
print(max(a, b, c))

Taрикатско решение:)

print(max(int(input()), int(input()), int(input())))