python将列表list的每个元素重复N次
实现代码如下:input_list = [1, 2, 3, 4, 5]N = 2output = [val for val in input_list for _ in range(N)]此程序理解如下:input_list = [1, 2, 3, 4, 5]N = 2output = []for val in input_list:for _ in range(N):output.append(
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实现代码如下:
input_list = [1, 2, 3, 4, 5]
N = 2
output = [val for val in input_list for _ in range(N)]
此程序理解如下:
input_list = [1, 2, 3, 4, 5]
N = 2
output = []
for val in input_list:
for _ in range(N):
output.append(val)
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