## lab programming, Python Programming

Assignment Help:
protocol rdt2.2 considers there is a bit errors between sender to receiver and also from receiver to sender. So now we have to consider checking bit errors introduced in reply from receiver (refer figure 4 and 5). Also we eliminate the NAK in rdt2.2, include sequence number it is acknowledgingand checksum.
a. Based on the given the skeleton code of rdt2.2 sender and receiver, you are supposed to fill in code where marked with #Fill in start and #Fill in end and submit the working code. Each place may require one or more lines of code.

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