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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def loadFileList(inputFilelist):
 """Open up the '@ file' and read in the science and possible ivm filenames from the first two columns. """

    f = open(inputFilelist[1:])
    # check the first line in order to determine whether
    # IVM files have been specified in a second column...
    lines = f.readline()
    f.close()

    # If there is a second column...
    if len(line.split()) == 2:
        # ...parse out the names of the IVM files as well
        ivmlist = irafglob.irafglob(input, atfile=atfile_ivm)

    # Parse the @-file with irafglob to extract the input filename
    filelist = irafglob.irafglob(input, atfile=atfile_sci)
    return filelist