Python Code

import matplotlib.pyplot as plt import numpy as np # start,stop,step x = np.arange(0,4*np.pi-1,0.1) y = np.sin(x) z = np.cos(x) plt.plot(x,y,x,z) # string must be enclosed with quotes ' ' plt.xlabel('x values from 0 to 4pi') plt.ylabel('sin(x) and cos(x)') plt.title('Plot of sin and cos from 0 to 4pi') # legend entries as seperate strings in a list plt.legend(['sin(x)', 'cos(x)'])
Just press ‘Run’.