euncody

playing = True

# +
def plus(a=0, b=0):
    return a + b

# -
def minus(a=0, b=0):
    return a - b

euncody

# 👇🏻 YOUR CODE 👇🏻:

# 연간 매출 계산
def get_yearly_revenue(monthly_revenue):
    return monthly_revenue * 12

# 연간 비용 계산
def get_yearly_expenses(monthly_expenses):
    return monthly_expenses * 12