def encrypt_instrumented(strng: str, key: int) -> str:
assert (0 < key <= 94)
encrypted = ''
for x in strng:
indx = ((ord(x) + key) % 256)
if evaluate_condition(1, 'Gt', indx, 126):
indx = (indx - 95)
encrypted = (encrypted + chr(indx))
return encrypted
def decrypt_instrumented(strng: str, key: int) -> str:
decrypted = ''
indx = ((ord(x) - key) % 256)
if evaluate_condition(2, 'Lt', indx, 32):
indx = (indx + 95)
decrypted = (decrypted + chr(indx))
return decrypted
