Encryption

"""if ord('a') == 97:
    print ("true")
else:
    print("not true")"""
encrypted = []

sentence = input("Enter characters to encrypt or decrypt")
for p in sentence:
    if ord(p) == 51:
        p = ord(p) + 15
        encrypted.append(chr(p))
        
    elif ord(p) == 66:
        p = ord(p) - 15
        encrypted.append(chr(p))

    elif ord(p) == 42:
        p = ord(p) + 29
        encrypted.append(chr(p))

    elif ord(p) == 71:
        p = ord(p) - 29
        encrypted.append(chr(p))

    elif ord(p) == 48:
        p = ord(p) + 7
        encrypted.append(chr(p))

    elif ord(p) == 55:
        p = ord(p) - 7
        encrypted.append(chr(p))

    elif ord(p) == 37:
        p = ord(p) + 26
        encrypted.append(chr(p))

    elif ord(p) == 63:
        p = ord(p) - 26
        encrypted.append(chr(p))

    elif ord(p) == 45:
        p = ord(p) + 15
        encrypted.append(chr(p))

    elif ord(p) == 60:
        p = ord(p) - 15
        encrypted.append(chr(p))

    elif ord(p) == 35:
        p = ord(p) + 29
        encrypted.append(chr(p))

    elif ord(p) == 64:
        p = ord(p) - 29
        encrypted.append(chr(p))

    elif ord(p) == 66:
        p = ord(p) - 15
        encrypted.append(chr(p))

    elif ord(p) == 32:
        p = ord(p) + 25
        encrypted.append(chr(p))

    elif ord(p) == 57:
        p = ord(p) - 25
        encrypted.append(chr(p))

    elif ord(p) == 38:
        p = ord(p) + 27
        encrypted.append(chr(p))

    elif ord(p) == 65:
        p = ord(p) - 27
        encrypted.append(chr(p))

    elif ord(p) == 49:
        p = ord(p) + 21
        encrypted.append(chr(p))

    elif ord(p) == 70:
        p = ord(p) - 21
        encrypted.append(chr(p))

    elif ord(p) == 47:
        p = ord(p) + 9
        encrypted.append(chr(p))

    elif ord(p) == 56:
        p = ord(p) - 9
        encrypted.append(chr(p))

    elif ord(p) == 44:
        p = ord(p) + 8
        encrypted.append(chr(p))

    elif ord(p) == 52:
        p = ord(p) - 8
        encrypted.append(chr(p))

    elif ord(p) == 36:
        p = ord(p) + 31
        encrypted.append(chr(p))

    elif ord(p) == 67:
        p = ord(p) - 31
        encrypted.append(chr(p))

    elif ord(p) == 43:
        p = ord(p) + 25
        encrypted.append(chr(p))

    elif ord(p) == 68:
        p = ord(p) - 25
        encrypted.append(chr(p))

    elif ord(p) == 39:
        p = ord(p) + 22
        encrypted.append(chr(p))

    elif ord(p) == 59:
        p = ord(p) + 10
        encrypted.append(chr(p))

    elif ord(p) == 69:
        p = ord(p) - 10
        encrypted.append(chr(p))

    elif ord(p) == 33:
        p = ord(p) + 20
        encrypted.append(chr(p))

    elif ord(p) == 53:
        p = ord(p) - 20
        encrypted.append(chr(p))

    elif ord(p) == 34:
        p = ord(p) + 20
        encrypted.append(chr(p))

    elif ord(p) == 54:
        p = ord(p) - 20
        encrypted.append(chr(p))

    elif ord(p) == 58:
        p = ord(p) + 4
        encrypted.append(chr(p))

    elif ord(p) == 62:
        p = ord(p) - 4
        encrypted.append(chr(p))

    elif ord(p) == 40:
        p = ord(p) + 24
        encrypted.append(chr(p))

    elif ord(p) == 46:
        p = ord(p) - 24
        encrypted.append(chr(p))

    elif ord(p) == 41:
        p = ord(p) + 9
        encrypted.append(chr(p))

    elif ord(p) == 50:
        p = ord(p) - 9
        encrypted.append(chr(p))

    elif ord(p) == 72:
        p = ord(p) + 31
        encrypted.append(chr(p))

    elif ord(p) == 103:
        p = ord(p) - 31
        encrypted.append(chr(p))

    elif ord(p) == 82:
        p = ord(p) + 27
        encrypted.append(chr(p))

    elif ord(p) == 109:
        p = ord(p) - 27
        encrypted.append(chr(p))

    elif ord(p) == 87:
        p = ord(p) + 11
        encrypted.append(chr(p))

    elif ord(p) == 98:
        p = ord(p) - 11
        encrypted.append(chr(p))

    elif ord(p) == 79:
        p = ord(p) + 26
        encrypted.append(chr(p))

    elif ord(p) == 105:
        p = ord(p) - 26
        encrypted.append(chr(p))

    elif ord(p) == 84:
        p = ord(p) + 27
        encrypted.append(chr(p))

    elif ord(p) == 111:
        p = ord(p) - 27
        encrypted.append(chr(p))

    elif ord(p) == 75:
        p = ord(p) + 25
        encrypted.append(chr(p))

    elif ord(p) == 100:
        p = ord(p) - 25
        encrypted.append(chr(p))

    elif ord(p) == 81:
        p = ord(p) + 23
        encrypted.append(chr(p))

    elif ord(p) == 104:
        p = ord(p) - 23
        encrypted.append(chr(p))

    elif ord(p) == 86:
        p = ord(p) + 21
        encrypted.append(chr(p))

    elif ord(p) == 107:
        p = ord(p) - 21
        encrypted.append(chr(p))

    elif ord(p) == 83:
        p = ord(p) + 12
        encrypted.append(chr(p))

    elif ord(p) == 95:
        p = ord(p) - 12
        encrypted.append(chr(p))

    elif ord(p) == 78:
        p = ord(p) + 16
        encrypted.append(chr(p))

    elif ord(p) == 94:
        p = ord(p) - 16
        encrypted.append(chr(p))

    elif ord(p) == 85:
        p = ord(p) + 12
        encrypted.append(chr(p))

    elif ord(p) == 97:
        p = ord(p) - 12
        encrypted.append(chr(p))

    elif ord(p) == 91:
        p = ord(p) + 11
        encrypted.append(chr(p))

    elif ord(p) == 102:
        p = ord(p) - 11
        encrypted.append(chr(p))

    elif ord(p) == 89:
        p = ord(p) + 21
        encrypted.append(chr(p))

    elif ord(p) == 110:
        p = ord(p) - 21
        encrypted.append(chr(p))

    elif ord(p) == 90:
        p = ord(p) + 9
        encrypted.append(chr(p))

    elif ord(p) == 99:
        p = ord(p) - 9
        encrypted.append(chr(p))

    elif ord(p) == 88:
        p = ord(p) + 20
        encrypted.append(chr(p))

    elif ord(p) == 108:
        p = ord(p) - 20
        encrypted.append(chr(p))

    elif ord(p) == 92:
        p = ord(p) + 9
        encrypted.append(chr(p))

    elif ord(p) == 101:
        p = ord(p) - 9
        encrypted.append(chr(p))

    elif ord(p) == 80:
        p = ord(p) + 26
        encrypted.append(chr(p))

    elif ord(p) == 106:
        p = ord(p) - 26
        encrypted.append(chr(p))

    elif ord(p) == 77:
        p = ord(p) + 16
        encrypted.append(chr(p))

    elif ord(p) == 93:
        p = ord(p) - 16
        encrypted.append(chr(p))

    elif ord(p) == 73:
        p = ord(p) + 3
        encrypted.append(chr(p))

    elif ord(p) == 76:
        p = ord(p) - 3
        encrypted.append(chr(p))

    elif ord(p) == 74:
        encrypted.append(chr(p))

    elif ord(p) == 119:
        p = ord(p) + 6
        encrypted.append(chr(p))

    elif ord(p) == 125:
        p = ord(p) - 6
        encrypted.append(chr(p))

    elif ord(p) == 114:
        p = ord(p) + 7
        encrypted.append(chr(p))

    elif ord(p) ==121:
        p = ord(p) - 7
        encrypted.append(chr(p))

    elif ord(p) == 117:
        p = ord(p) + 6
        encrypted.append(chr(p))

    elif ord(p) == 123:
        p = ord(p) - 6
        encrypted.append(chr(p))

    elif ord(p) == 115:
        p = ord(p) + 9
        encrypted.append(chr(p))

    elif ord(p) == 124:
        p = ord(p) - 9
        encrypted.append(chr(p))

    elif ord(p) == 112:
        p = ord(p) + 4
        encrypted.append(chr(p))

    elif ord(p) == 116:
        p = ord(p) - 4
        encrypted.append(chr(p))

    elif ord(p) == 113:
        p = ord(p) + 9
        encrypted.append(chr(p))

    elif ord(p) == 122:
        p = ord(p) - 9
        encrypted.append(chr(p))

    elif ord(p) == 118:
        p = ord(p) + 8
        encrypted.append(chr(p))

    elif ord(p) == 126:
        p = ord(p) - 8
        encrypted.append(chr(p))

    elif ord(p) == 120:
       encrypted.append(chr(p))
print ("".join(encrypted))