2-R link robotic arm simulator using python

\"\"\"
The program based on the 2-R animation 
of the robotic arm
\"\"\"
import math as m
import matplotlib.pyplot as plt

# Setting up initial conditions
n_theta = 10
theta_start = 0
theta_end = m.pi/2
l1 = 1
l2 = 0.5
x0 = 0
y0 = 0

# Setting the angular values
theta1 = []
theta2 = []

# Creating the angles
for n in range(0,n_theta):
	t = 0 + n*(theta_end - theta_start)/(n_theta-1)
	theta1.append(t)
	theta2.append(t)

ct = 1
for t1 in theta1:
	for t2 in theta2:
		x1 = x0 + l1*m.cos(t1)
		y1 = y0 + l1*m.sin(t1)

		x2 = x1 + l2*m.cos(t2)
		y2 = y1 + l2*m.sin(t2)

		# Plotting
		filename = str(ct) + \'.png\'

		plt.figure(ct)
		plt.plot([x0,x1],[y0,y1])
		plt.plot([x1,x2],[y1,y2])
		plt.xlim([0,2])
		plt.ylim([0,2])
		plt.savefig(filename)
		ct = ct + 1

The link to the gif produced is as follows

GIF of the plot