Reading input values in ipython notebook

import itertools
# parameters
P_peak_all = [100, 200]
idle_ratio_all = [0., 0.3, 0.6]
# iterate through these parameters and call the notebook's logic
for P_peak, idle_ratio in itertools.product(P_peak_all, idle_ratio_all):
    print(P_peak, idle_ratio, P_peak*idle_ratio)
    print('========================')
    m_synth, m_synth_ns = build_synth_measurement(P_peak, idle_ratio)
    compare_measurements(m_synth, m_synth_ns, "Peak pauser", "No scheduler", file_note="-%d-%d" % (P_peak, int(idle_ratio*100)))

def square(x):
    y = x**2
    return y
square(x) # where x is your data running from the prior cells 

def input_generator(return_value):
    def input():
        return return_value
    return input

>> input = input_generator(42)
>> input()
42