1D Parity Checker - Includes manual manipulation of the data to illustrate error cases

1D parity.py

# EVEN PARITY
import functools, random

# parity = functools.reduce(lambda a, b: a ^ b, list(map(int, list(str(bin(num))[2:]))))
# print(parity)

def parityGenerator(msg):
    binary_li = list(map(int, list(msg)))
    parity = functools.reduce(lambda a, b: a ^ b, binary_li)
    return parity


def parityChecker(msg):
    p = parityGenerator(msg)
    if p == 0:
        return True
    else:
        return False


data_send = int(input("Enter a number: "))
binary_send = str(bin(data_send))[2:]

p = parityGenerator(binary_send)
print(f"Binary Message: {binary_send}\nParity: {p}")

sender = binary_send + str(p)
print(f"Transmitted message: {sender}")



# Manually manupulating the message during transmission to illustrate error
print("\n")
transmission = sender
transmission = list(map(int, list(transmission)))
error_pos = random.randint(0, 2*len(transmission))  # equate the probability of error/no-error
if error_pos < len(transmission):
    transmission[error_pos] = 1 - transmission[error_pos]
    print("Data was manipulated during transmission")
transmission = ''.join(list(map(str, transmission)))
print(f"In Transit: {transmission}")
print("\n")



receiver = transmission
binary_receive = receiver[:-1]
data_receive = int(binary_receive, 2)

print(f"Received message: {receiver}\nBinary message: {binary_receive}\nData Received: {data_receive}")

if parityChecker(receiver):
    print("Tranmission is error-free!")
else:    
    print("There's an error in tranmission!")