python remove first row from 2d list

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my_list = [
    [11, 12, 13],
    [21, 22, 23],
    [31, 32, 33]
]

del my_list[0]  # remove first row

print(my_list)  # [[21, 22, 23], [31, 32, 33]]

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my_list = [
    [11, 12, 13],
    [21, 22, 23],
    [31, 32, 33]
]

my_list.pop(0)  # remove first row

print(my_list)  # [[21, 22, 23], [31, 32, 33]]