def discounts(price,rate) :
final_price = price * rate
print(old_price)
return final_price
old_price = 120.0
rate = 0.9
new_price = discounts(old_price,rate)
print(new_price)
这个程序竟然没错,明明old_price还没被定义啊
def discounts(price,rate) :
final_price = price * rate
print(old_price)
return final_price
old_price = 120.0
rate = 0.9
new_price = discounts(old_price,rate)
print(new_price)
这个程序竟然没错,明明old_price还没被定义啊