name=input("Enter name of the person: ")

birthdays={"Sanket":"8th January","Aparna":"23rd August","Jagdish":"9th July","Amruta":"15th March","Sonal":"26th February","Tushar":"17th February","Suraj":"22nd June","Guru":"8th May","Praneet":"28th May","Mithila":"11th January","Vaiju":"15th November","Saurabh":"4th April","Kaustubh":"19th January"}

if name in birthdays.keys():
    print("{}'s birthday is on {}".format(name,birthdays[name]))
else:
    print("I am sorry, currently I don't know {}'s birthday".format(name))
    print("Would you like to add {}'s birthday as well?".format(name))
    consent= input("Type Yes or No: ")
    if consent == "Yes" or "y" or "Y":
        new_date=input("Please enter {}'s birthday: ".format(name))
        birthdays[name]=str(new_date)
        print("Thank you, I have updated {}'s birthday to the records".format(name))
        print("{}'s birthday is on {}".format(name,birthdays[name]))
    else:
        print("Alright, thank you")