[Python] Proof of Linearity

# -*- coding: utf-8 -*-

# Importing the module pyplot from matplotlib
import matplotlib.pyplot as plt

# Variables for our circuit. V will be generated in code
# and used for calculation of I
R = 100
I = []
V = []

# Function for generating voltages and calculating currents at those voltages
def ramp_voltages():
    for voltage in range(1,10):
        V.append(voltage)
        I.append(voltage/R)


# Function for plotting the findings.
def plotter():
    plt.plot(V, I)
    plt.grid()
    plt.xlabel("Voltage [V]")
    plt.ylabel("Current [A]")
    plt.show()

ramp_voltages()
plotter()