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Python 2d array append

Python append to 2d array

temp_list = [[], [], [], []]
temp_list[0].append("a1")
temp_list[1].append("a2")
temp_list[2].append("a3")
temp_list[3].append("a4")

6

Python 2d array append

arr = []
arr.append([])
arr[0].append('aa1')
arr[0].append('aa2')

0

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