How to generate and visualize results of all possible parameter values in Python?
It's probably fastest to do this using numpy, in which you can define the possible ranges of your values using numpy.arange as follows:
import numpy as np

demand = np.arange(100, 201, 1) # integers from 100-200 inclusive
ticket_qty = np.arange(0, 201, 1) # integers from 0-200 inclusive

If you then want to calculate the possibilities using the different values you can use the .outer method of the different universal numpy functions (i.e. numpy.subtract to subtract values) to get easily get the results without looping over the arrays.