Python-嵌套列表list的全面解析

一个3层嵌套列表m

m=["a",["b","c",["inner"]]]

需要解析为基本的数据项a,b,c,inner

基本的取数据项方法：

for i in m:

print i这个只能取出第一层的a,和一个2层的嵌套列表["b","c",["inner"]]

结合内置函数和判断可以继续解析这个2层列表

for i in m:
	if isinstance(i,list):
		for j in i:
			print j
	else: print i结果

a
b
c
['inner']

这个2层嵌套也分开了了，但里面的列表没有分拆，虽然可以继续拆解得到结果，但非最佳选择

构造函数，迭代解析这个多层嵌套列表

 def printm(listin):
	for i in listin:
		if isinstance(i,list):
			printm(i)
		else: print i使用该函数直接解析嵌套列表，一次拆完

printm(m)

结果如下：

a
b
c
inner

以上这篇Python-嵌套列表list的全面解析就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持脚本之家。

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