编写一个数字统计程序。用户输入多个整数,程序需要输出:
输入方式:
输出方式:
输入输出示例
# 输入: 5 2 3 5 4 5 1 # 输出: 5 4.0
# 输入: 3 3 2 2 1 # 输出: 2 2.0
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