标签:可迭代对象
items = [1,2,3,4,5,6] 结果: 1 [2, 3, 4, 5, 6] 2 [3, 4, 5, 6] 3 [4, 5, 6] 4 [5, 6] 5 [6] 6 []
方法一:
def sum(items): #递归 head,*tail = items print(head,tail) return head + sum(tail) if tail else head
方法二:
def sum(items): #解包 tail = items while tail: head,*tail = tail print(head,tail)
方法三:
def sum(items): #切片 tail = items while tail: print(tail[:1][0],tail[1:]) tail = tail[1:]
方法四:
items = [1,2,3,4,5,6] def sum(items): #list方法 while items: print(items[0],items[1:]) items.pop(0)
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标签:可迭代对象
原文地址:http://11737697.blog.51cto.com/11727697/1829175