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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 set_default_from_schema(instance, schema):
 """ Populate default values on an `instance` given a `schema`. Parameters instance : dict instance to populate default values for schema : dict JSON schema with default values Returns ------- instance : dict instance with populated default values """

    for name, property_ in schema.get('properties', {}).items():
        # Set the defaults at this level of the schema
        if 'default' in property_:
            instance.setdefault(name, property_['default'])
        # Descend one level if the property is an object
        if 'properties' in property_:
            set_default_from_schema(instance.setdefault(name, {}), property_)
    return instance