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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 cleaniddfield(acomm):
 """make all the keys lower case"""

    for key in list(acomm.keys()):
        val = acomm[key]
        acomm[key.lower()] = val
    for key in list(acomm.keys()):
        val = acomm[key]
        if key != key.lower():
            acomm.pop(key)
    return acomm