def count_characters(string):\n    length = len(string)\n    upper_count = 0\n    lower_count = 0\n    digit_count = 0\n    \n    for char in string:\n        if char.isupper():\n            upper_count += 1\n        elif char.islower():\n            lower_count += 1\n        elif char.isdigit():\n            digit_count += 1\n    \n    print("字符串长度:", length)\n    print("大写字母数量:", upper_count)\n    print("小写字母数量:", lower_count)\n    print("数字字符数量:", digit_count)\n\nstring = input("请输入一个字符串:")\ncount_characters(string)\n```\n\n运行结果示例:\n\n输入:Hello123\n\n输出:\n字符串长度: 8\n大写字母数量: 1\n小写字母数量: 4\n数字字符数量: 3
Python 字符串统计:长度、大小写字母和数字数量

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