Python 字符串统计:长度、大小写字母和数字数量
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
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