while True:
print("...Birth Day App...\n")
print("1.Show Birth Days")
print("2.Add Birth Days")
print("3.Exit\n")

choice = int(input("What is your choice:"))
if choice == 1:
    if len(dicts.keys()) == 0:
        print("No Birth Days yet..\n")
    else:
        name = input("Enter friend's name:")
        birth_day = dicts.get(name, "No data found")
        print(birth_day,'\n')

elif choice == 2:
    name = input("Enter name:")
    birth_day = input("Enter birth Day:")
    dicts[name] = birth_day
    print("Data Added\n")

elif choice == 3:
    print("Thanks for using birth Day reminder app..")
    break
else:
    print("Choose a valid option...\n")