alphabet = "abcdefghijklmnopqrstuvwxyz"

key = 3

word = input("Plese enter a char:")
position = alphabet.find(word)
print("Entered position = " + str(position))
encryptedPosition = (position + key) % 26
print("Ecrypted position = " + str(encryptedPosition))
encryptedWord = alphabet[encryptedPosition]
print("Encrypted char = " + encryptedWord)

encryptedWord = ""

for i in range(len(word)):
    print("Letter - " + word[i] + "index = " +str(i))
    encryptedWord += word[i]