read from one file and write to another file line by line

# Read from one file and write to another file line by line

def read_write_file(infile, outfile):
    with open(infile) as fr:
        with open(outfile, 'w') as fw:
            for line in fr:
                fw.write(line)
                
read_write_file("infile.txt", "outfile.txt")