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Define a function that takes three lists as parameters and converts all elements in each list to uppercase.
Technology Stack : List (list), String (str), Case conversion (upper())
Code Type : List operation
Code Difficulty : Intermediate
def aaaa(arg1, arg2, arg3):
"""
将一个列表中所有元素的大小写转换为大写。
:param arg1: 要转换的列表
:param arg2: 要转换的列表
:param arg3: 要转换的列表
:return: 包含三个列表中所有元素大写的列表
"""
return [list(arg1).upper(), list(arg2).upper(), list(arg3).upper()]