#Given: an array containing hashes of names
#Return: a string formatted as a list of names separated by commas except for the last two names, which should be separated by an ampersand.
#Example:

def namelist(names):




namelist([ {'name': 'Bart'}, {'name': 'Lisa'}, {'name': 'Maggie'} ])
# returns 'Bart, Lisa & Maggie'

namelist([ {'name': 'Bart'}, {'name': 'Lisa'} ])
# returns 'Bart & Lisa'

namelist([ {'name': 'Bart'} ])
# returns 'Bart'

namelist([])
# returns ''
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