16 lines
424 B
Python
16 lines
424 B
Python
users = ["admin", "root1", "John_Doe", "Alice", "Bob42"]
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badChar=False
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for user in users:
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for ch in user:
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if ('a' <= ch <='z') or ('A' <= ch <='Z') or ch == ' ':
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badChar=False
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else:
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badChar=True
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break
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if badChar == False and len(user) <= 20:
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print(user + " is Valid")
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else:
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print(user + " Error contain special character, space or digit !")
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