def nonrepeats(inlist):
    """
Returns items that are NOT duplicated in the first dim of the passed list.

Usage:   nonrepeats (inlist)
"""
    nonrepeats = []
    for i in range(len(inlist)):
        if inlist.count(inlist[i]) == 1:
            nonrepeats.append(inlist[i])
    return nonrepeats
