basic string encryption using ord() and char() methods. based on excercise snippet found on @coderpedia ig.

basic_string_encryption.py

text = 'meet me at the nut house'

def encrypt_str(txt):
    """
    basic string encryption using:
        ord() returns int representing Unicode for given char.
        char() returns str representation in Unicode for given int.
    """
    encrypted_txt = ''

    for c in txt:
        x = ord(c)  # map char to unicode num
        x = x + 1   # plus 1 to shift the mapping to next char in line
        c2 = chr(x) # map unicode num (+1) back to char
        encrypted_txt = encrypted_txt + c2 # create new string

    return encrypted_txt

encrypted_str = encrypt_str(text)

print("Encrypting...")
print("Encrypted: ",encrypted_str)

def decrypt_str(encrypted_str):

    decrypted_txt = ''

    for c in encrypted_str:
        x = ord(c)
        x = x - 1
        c2 = chr(x)
        decrypted_txt = decrypted_txt + c2

    return decrypted_txt

print("Decrypted: ",decrypt_str(encrypted_str))