python硬币列表和位置

Question

def validate_index(coins_list, position_number):

Answer 1

你题目的解答代码如下：

def validate_index(coins_list, position_number):
    if  1<=position_number<=9:
        return coins_list[position_number-1] == "$"
    else:
        return False
data = ['-','$','-','-','$','-','$','$','-']
print(validate_index(data, 2))
print(validate_index(data, 3))
print(validate_index(data, -1))
print(validate_index(data, 10))
print(validate_index(data, 0))

如有帮助，请点击我的回答下方的【采纳该答案】按钮帮忙采纳下，谢谢!