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  1. msg = "hello 123 WORLD"
  2. #统计长度和小写字母个数
  3. length =len (msg)
  4. lower_count = sum(1 for ch in msg if ch.islower())
  5. print("长度:",length)
  6. print("小写字母个数:", lower_count)
Success #stdin #stdout 0.07s 14124KB
stdin
Standard input is empty
stdout
长度: 15
小写字母个数: 5