codeval_boilerplate.py

import argparse

def dosomething(someinput):
    pass
    
def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("infilepath")
    args = parser.parse_args()

    with open(args.infilepath, "rU") as source:
        for line in source:
            teststr = line.strip()
            if not teststr:
                continue
            # your code here
            # dosomething(teststr)

if __name__ == '__main__':
    main()