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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 run_scenario(params):
 """ Run one scenario and returns execution time and number of solutions. Also returns initial parameters in the response to keep the results associated with the initial context. """

    solver = SolverContext(**params)
    start = time.time()
    count = sum(1 for _ in solver.solve())
    execution_time = time.time() - start
    params.update({
        'solutions': count,
        'execution_time': execution_time})
    return params