A password is a string of 8 characters, where each character is a lowercase letter or a digit.A password is called valid...
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A password is a string of 8 characters, where each character is a lowercase letter or a digit.
A password is called valid if it contains at least one digit.
In class, we have seen that the number of valid passwords is equal to 368 ?268 = 2,612,282,842,880.
Explain what is wrong with the following method to count the number of valid passwords.