# 打印输出列表 x 的相关信息 def print_list(x): print('list[%d] = %d' % (i, x[i])) # 修改此行 i = 0 while i < len(x): print(x[i]) i = i + 1 a = [1, 2, 3] b = [10, 20, 30] print_list(a) print_list(b)