Hello there,
When we accept user input we need to check that it is valid. This
checks to see that it is the sort of data we were expecting.

There are two different ways we can check whether data is valid. (see :
http://www.easypythondocs.com/validation.html)
You can use a flag, e,g:
flagName = False
while not flagName:
    if [Do check here]:
        flagName = True
    else:
        print('error message')
or
could use an exception, e.g.
while True:
    try:
        [run code that might fail here]
        break
    except:
        print('This is the error message if the code fails')

print('run the code from here if code is successfully run in the try
block of code above')
hope this could help.


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El lun., 23 de mar. de 2020 a la(s) 02:51, mick (dhruvashah1221...@gmail.com)
escribió:

> I want the admin and the user themselves both to verify the mail on the
> user registration.And then only the user is being validated.
>
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