#容器迭代

元组、列表、字典和集合，都是可迭代对象，可以通过 for 循环依次读取元素：

#元组

元组依次取得元素：

students:tuple[str, str, str] = ("Tom", "Jerry", "Spike")
for student in students:
    print(student)
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#列表

列表依次取得元素：

students:list[str] = ["Tom", "Jerry", "Spike"]
for student in students:
    print(student)
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#字典

字典依次取得 索引：

score_list:dict[str,int] = {
    'Tom': 88,
    'Jerry': 99,
    'Spike': 66
}
for key in score_list:
    print(key, score_list[key])
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#集合

元组依次取得元素：

fruits:set[str] = {'Apple', 'Orange', 'Strawberry', 'Banana', 'Pineapple'}
for fruit in fruits:
    print(fruit)
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#字符串

字符串也是可迭代对象，依次取得字符：

text:str = "hello world"
for word in text:
    print(word)
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