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Calling Python function from within function [closed]
def process():
    pkts = sniff(offline="infile.pcap",filter="tcp")
    out_buf = open("outfile.bin","wb")

    for pkt in pkts:
        offset = hexdump(str(pkt.payload)[:2])
        payload = hexdump(pkt.payload)

        if offset or payload is None:
            pass
        else:
            out_buf.write(two_byte_proc(payload,offset))

process()

if offset is None or payload is None:

if offset is not None and payload is not None:
    out_buf.write(two_byte_proc(payload, offset))

if offset and payload:
    out_buf.write(two_byte_proc(payload, offset))