Python-Problem: Alphabetic Telephone Number Translator

Python Code:-

 phone_letters='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'

print(len(phone_letters))

phone_digits='2223334445556667777888999922233344455566677778889999'

phone_mapping=str.maketrans(phone_letters,phone_digits)

phone=input('Phone number:')

digits=phone.translate(phone_mapping)

print(digits)

def PhNum(PhNumber):

    Num=PhNumber.split('-')

    AreaCod=Num[0]

    Num_code=Num[1:]

    Number=''

    for n in Num_code:

        for i in range (len(n)):

            if n[i] in 'ABC':

                Number=Number+'2'

            elif n[i] in 'DEF':

                Number=Number+'3'

            elif n[i] in 'GHI':

                Number=Number+'4'

            elif n[i] in 'JKL':

                Number=Number+'5'

            elif n[i] in 'MNO':

                Number=Number+'6'

            elif n[i] in 'PQRS':

                Number=Number+'7'

            elif n[i] in 'TUV':

                Number=Number+'8'

            elif n[i] in 'WXY':

                Number=Number+'8'

        Number=Number+'-'

    return AreaCod+'-'+Number[:-1]

PhNumber='555-GET-FOOD'

# PhNumber.split('-')

N=PhNum(PhNumber)

print(N)