how to block empty space python login

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Cassia
15 Apr 2018
1def nonb(message, error_message):
2
3    x = input(message)
4    while len(x.strip()) == 0:
5        x = input(error_message)
6
7    UserName = nonb('''         Enter Username:=> ''', '''         Enter a valid Username:=> ''')
8    time.sleep(1)
9    PassWord = nonb('''         Enter Password:=> ''', '''         Enter a valid Password:=> ''')
10
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