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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 children(self, sourcepath, recursive=True):
 """ Recursively find all children that are imported from the given source path. Args: sourcepath (str):
 Source file path to search for. Keyword Arguments: recursive (bool):
 Switch to enabled recursive finding (if True). Default to True. Returns: set: List of finded parents path. """

        return self._get_recursive_dependancies(
            self._CHILDREN_MAP,
            sourcepath,
            recursive=True
        )