import matplotlib.pyplot as plt
import numpy as np
 
m = 5
c = 5
 
# when y = x
x = np.arange(-4, 4)
y = np.arange(-4, 4)
 
plt.axvline(color='g')
plt.axhline(color='g')
 
plt.title("Linear Plotting")
 
# when y = x
plt.plot(x, y, color='c', marker='D', label='Y=X')
 
# when y = -x
plt.plot(-x, y, color='k', marker='*', label='Y=-X')
 
# when slope = 5 and intercept = 5
plt.plot(x, m * x + c, color='r', marker='o', label='Y=5x+5')
 
# when slope = -5 and intercept = 5
plt.plot(x, -m * x + c, color='b', marker='^', label='Y=-5x+5')
 
plt.grid()
plt.legend()
plt.show()
 

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