def printPlus(val1, val2):
    result = val1 + val2
    print(result)

printPlus(10, 20)   # 1. 5번줄, 2.2, 3.3

def printMinus(val1, val2):
    result = val1 - val2
    print(result)

# 3번줄
printMinus(10, 20)

# (10 + 20) / (30 - 40)
