warmup_1_sum_double.py

# Given two int values, return their sum. Unless the two values are the same,
# then return double their sum.

# sum_double(1, 2) → 3
# sum_double(3, 2) → 5
# sum_double(2, 2) → 8

def sum_double(a, b):
    f = 2 if a == b else 1
    return f * (a + b)