Question: The function has _ trees takes a dictionary a _ dict that stores the tree number of countries per square kilometer in country:number pair, and

The function has_trees takes a dictionary a_dict that stores the tree number of countries per square kilometer in country:number pair, and an integer trees_per_square. It returns a Python list with the names of countries with more than trees_per_square trees per square kilometer. Complete the implementation for has_trees.

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