读Python基础教程(第二版)后看到了这么一个东西,就是利用递归遍历嵌套结构中的元素. 上代码: #encoding:UTF-8 def flatten(nested): try: #不要迭代类似字符串的对象: try: nested+'' except TypeError: pass else: raise TypeError for sublist in nested: for element in flatten(sublist): yield element except TypeEr
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