PROJECT3.py

def mail(n):
    for i in range(n):
        email = input("Enter your Email: ").strip()
        if '@' and '.com' not in email:
            print("Enter valid Mail ID")
            if n == 1:
                mail(n)
            else:
                mail(n - (n - 1))
        else:
            l.append(email)
            n -= 1


def checking():
    x = input("How many mails would you like to Slice:")
    if x.isnumeric():
        n = int(x)
        if n <= 0:
            print("Enter a positive number")
            checking()
        else:
            mail(n)
    else:
        print("Enter an Integer")
        checking()


l = []
checking()
if l != []:
    for i in l:
        username = i[:i.index('@')]
        domain = i[i.index('@') + 1:]
        domain = domain.upper()
        print(f"your username is {username} & domain is {domain}")