How to grab the lines AFTER a matched line in python

Question

I am an amateur using Python on and off for some time now. Sorry if this is a silly question, but I was wondering if anyone knew an easy way to grab a bunch of lines if the

Answer 1

Generator Functions

def group_by_heading( some_source ):
    buffer= []
    for line in some_source:
        if line.startswith( "Heading" ):
            if buffer: yield buffer
            buffer= [ line ]
        else:
            buffer.append( line )
    yield buffer

with open( "some_file", "r" ) as source:
    for heading_and_lines in group_by_heading( source ):
        heading= heading_and_lines[0]
        lines= heading_and_lines[1:]
        # process away.