# current_number = 1
# while current_number <= 5:
#     print(current_number)
#     current_number += 1

# break
prompt = '\n请输入你喜欢的城市名称（输入 "quit" 退出）: '
active = True
while active:
    city = input(prompt)

    if city == 'quit':
        active = False
    else:
        print('我喜欢去 ' + city + '!')