def inputa():
    return test_pulse()+test_pulse_train()+test_ramp()+test_step()
return the _index_factory created using the args, kwargs
dataset/ETHPy150Open JamesPHoughton/pysd/tests/test-models-master/tests/input_functions/test_inputs.py/inputa--crossover with--dataset/ETHPy150Open pydata/pandas/pandas/tseries/tests/test_resample.py/Base.create_index