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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 clean_entry(entry):
 """Consolidate some entry attributes and rename a few others. Consolidate address attributes into a single field and replace some field names with others as described in FIELD_TRANSFORM_INDEX. @param entry: The entry attributes to update. @type entry: dict @return: Entry copy after running clean operations @rtype: dict """

    newEntry = {}

    if 'Address1' in entry:
        address = str(entry['Address1'])
        if entry['Address2'] != '':
            address = address + ' ' + str(entry['Address2'])
        newEntry['address'] = address
        del entry['Address1']
        del entry['Address2']

    for key in entry.keys():

        if key != None:
        
            if key in FIELD_TRANSFORM_INDEX:
                newKey = FIELD_TRANSFORM_INDEX[key]
            else:
                newKey = key
            
            newKey = newKey[:1].lower() + newKey[1:]
            newEntry[newKey] = entry[key]

    return newEntry