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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 create_image(cloud, **kwargs):
 """ proxy call for ec2, rackspace create ami backend functions """

    if cloud == 'ec2':
        return create_ami(**kwargs)

    if cloud == 'rackspace':
        return create_rackspace_image(**kwargs)

    if cloud == 'gce':
        return create_gce_image(**kwargs)