proof

main_option_valuation.py

from class_valuation_calculus import valuation_calculus as valuation
#Método main para ejecución de valoración

def main():
    variable_iterate_process = True
    valuation_object=valuation()
    while ( variable_iterate_process ==True):
        valuation_object.construct_info_need_valuate()
        valuation_object.parameters_calculation_binomial_case()
        valuation_object.definition_binomial_tree_calculation()

        print("Desea continuar valorando opciones (SI/NO): ")
        response_question_continue=input()
        if(str(response_question_continue).upper().strip()!="SI"):
            variable_iterate_process=False

if __name__ == '__main__':
    main()