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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 find_type_conversion(source_type, target_type):
 """ Find the operator name for converting source_type into target_type """

    if type(source_type) == type(target_type):
        return 'identity'
    elif type(target_type) == FloatTensorType:
        return 'imageToFloatTensor'
    else:
        raise ValueError('Unsupported type conversion from %s to %s' % (
                         source_type, target_type))