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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 ot_find_tree(arg_dict, exact=True, verbose=False, oti_wrapper=None):
 """Uses a peyotl wrapper around an Open Tree web service to get a list of trees including values `value` for a given property to be searched on `porperty`. The oti_wrapper can be None (in which case the default wrapper from peyotl.sugar will be used. All other arguments correspond to the arguments of the web-service call. """

    if oti_wrapper is None:
        from peyotl.sugar import oti
        oti_wrapper = oti
    return oti_wrapper.find_trees(arg_dict,
                                  exact=exact,
                                  verbose=verbose,
                                  wrap_response=True)