声明:文中的方法均收集自Making a flat list out of list of lists in Python 1.定义减层方法 import functools import itertools import numpy import operator import perfplot from collections import Iterable # or from collections.abc import Iterable from iteration_utilities import deepflatten #使用两次for...
In this video course, you'll learn how to flatten a list of lists in Python. You'll use different tools and techniques to accomplish this task. First, you'll use a loop along with the .extend() method of list. Then you'll explore other tools, including r
flatten_list = [x for sub_matrix inmatrix for row in sub_matrix for x in row]使用循环，平面化过程如下：flatten_list = []for sub_matrix in matrix:for row in sub_matrix:for x in row:flatten_list.append(x)列表式很酷，但可读的代码更酷。不要试图总是让自己使用列表式，即使这样做可能...
1. 碾平列表 碾平列表(flatten list ),即当列表里面嵌套列表,如何将这些子列表给取出来,得到一个不包含子列表的列表,示例如下: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 list1=[1,[2,[3,4]],5]=>new_list=[1,2,3,4,5] 这里介绍 3 种方法,分别如下。 方法1:利用递归的思想,代码如下:...
In this video course, you'll learn how to flatten a list of lists in Python. You'll use different tools and techniques to accomplish this task. First, you'll use a loop along with the .extend() method of list. Then you'll explore other tools, including reduce(), sum(), itertools....
def flatten(alist): """二维列表扁平化 """ result=[] # *** Begin ***# for i in range(2): for j in range(len(alist[i])): result.append(alist[i][j]) # *** End ***# return result #创建一个二维列表 M=eval(input()) # ...
>>>#flatten...print([yforxinlist_of_listforyinx]) [1, 2, 3, 4, 5, 6, 7, 8] 2、使用()生成generator 将俩表推导式的[]改成()即可得到生成器。 >>> gnrt = (iforiinrange(30)ifi % 3is0)>>>print(type(gnrt))<class'generator'> ...
flatten()) 10、使用zip() 和 np.concatenate()实现 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import numpy as np l1 = ["a","b","c","d"] l2 = [1,2,3,4] l3 = ["w","x","y","z"] l4 = [5,6,7,8] l5 = np.concatenate(list(zip(l1, l2, l3, l4))) print(...
Given a nested list of integers, implement an iterator to flatten it. Each element is either an integer, or a list -- whose elements may also be integers or other lists. Example 1: Input: [[1,1],2,[1,1]] Output: [1,1,2,1,1] ...
Convert Nested List To A Flat List In Python def flatten(li): return sum(([x] if not isinstance(x, list) else flatten(x) for x in li), []) print(flatten([1, 2, [3], [4, [5, 6]]])) Output: [1, 2, 3, 4, 5, 6] ...