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修饰实例变量时
def func3(a, b, c): print("param a is {}, param b is {}, param c is {}".format(a, b, c)) if __name__ == '__main__': arr1 = [1, 2, 3] print(arr1, sep='\t') # [1, 2, 3]\t 正常输出 print(*arr1, sep='\t') # 1\t2\t3 每个数字中间以\t分割 arr2 = [[1, 2, 3], [3, 4, 5], [5, 6, 7]] print(list(zip(*arr2))) # [(1, 3, 5), (2, 4, 6), (3, 5, 7)] 二维数组的行转列 dictionary = {'a': 1, 'b': 2, 'c': 3} print(dictionary, sep='\t') # {'a': 1, 'b': 2, 'c': 3}\t 正常输出 print(*dictionary, sep='\t') # a\tb\tc\t 每个字母中间以\t分割 print(func3(**dictionary)) # param a is 1, param b is 2, param c is 3