print('Hello world!')

i= 1
while i<3:
    i+=1
    print("anup kumar tirkey is a Mechie.\n");

import matplotlib.pyplot as plt
import numpy as np

x = ["feb","march","april"]
y = [33000,40000,36000]
plt.xlabel("months")
plt.ylabel("sal")
plt.plot(x,y)
plt.show()