第一课 创建和使用字典# 创建和使用字典# 我们以前讲过2种序列:1列表 2元组# 共同点:都是通过索引引用元素值# 不同点:列表是可读写的,元组是只读的names = ["Bill","Mike","John","Mary"]numbers = ["1234","4321","6789","6543"]print(numbers[names.index("Mike")])#4321 通过names中的Mike的索引...