plot_random_process.py

from matplotlib import pyplot as plt
import numpy as np
import random


def random_temp_for_day(n):
    i_value = random.randrange(18, 25)
    return [random.randrange(i_value - 3, i_value+ 3) for _ in range(n)]


def main():
    number_of_days = 40
    n_time_instances = 4
    data = [random_temp_for_day(n_time_instances) \
                for i in range(number_of_days)]

    for i in data:
        plt.plot(range(1, 5), i, 'ro')
    plt.show()

    for i in data:
        plt.plot(range(1, 5), i)
    plt.show()


if __name__ == '__main__':
    main()