Python: break outside loop

print('*'*20)
menu = int(input("""1. Add name
2. Delete Name
3. Modify Name
4. Termination
Select menu: "")

mylist = []

new_name = input('name :')

mylist.append(new_name)

print(mylist)

i=1
if menu == 1:
    if i == 1:
        print(mylist.append(new_name))
        i+=1

    else:
        if new_name in mylist:
            print(mylist)
        else:
            print ('Not Affected')

elif menu == 2:
    if new_name in mylist:
        print(mylist)
    else:
        print ('Not Affected')

elif menu == 3:
    if new_name in mylist:
        a = input ('new name:')
        print(mylist.reverse(a))
    else:
        print ('Not Affected')

else:
    break