按照老男孩的讲师做的为什么是死循环那？

Posted 2020-08-19

salary=input("input you salary:")
if salary.isdigit():
    salary=int(salary)
else:
    exit("invaild data type...")

welcome=‘welcom to alex shopping more‘.center(50,‘-‘)
print(welcome)

exit_flag=False
product_list = [
    (‘iphone‘,5888),
    (‘mac air‘,8000),
    (‘Xiao mi‘,1999),
    (‘coffee‘,30),
    (‘tesla‘,820000),
    (‘bike‘,800),
    (‘cloth‘,200),]
while  exit_flag is not True:
    print(‘product_list‘.center(50,‘-‘))
    for item in enumerate(product_list):
        index=item[0]
        p_name=item[1][0]
        p_price=item[1][1]
        print(index,p_name,p_price,)

    print("what do you choice:")