How to iterate over the file in python

Question

I have a text file with some hexadecimal numbers and i am trying to convert it to decimal. I could successfully convert it, but it seems before the loop exist it reads some

Answer 1

with open('test.txt', 'r') as inf, open('test1.txt', 'w') as outf:
    for line in inf:
        line = line.strip()
        if line:
            try:
                outf.write(str(int(line, 16)))
                outf.write('\n')
            except ValueError:
                print("Could not parse '{0}'".format(line))