What are iterable objects in python

What are the iterable objects in Python? Iterable objects in Python include: lists, tuples, dictionaries, and strings; often used in combination with for loops;

Determine whether an object is Iterable object:

from collections import Iterable isinstance(list(range(100)), Iterable) isinstance('Say YOLO Again.')

List:

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L = list(range(100))for i in L: print(i)

Tuple:

T = tuple(range(100))for i in T: print(i)

Dictionary:

dic = {'name': 'chen', 'age': 25, 'loc': 'Tianjin'} # 以列表的形式返回 keylist(dic.keys()) # 以列表的形式返回 valuelist(dic.values()) # 循环key for key in dic: print(key) # 循环value for value in dic.values(): print(value) # 循环key, value for key, value in dic.items(): print(key, value)

String:

S = 'Say YOLO Again!'for s in S: print(s) 返回'索引-元素'对: for i, value in enumerate('Say YOLO Again.'): print(i, value)

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