print('Hello world!')

print("hello Taiwan acer")

i = 1

while i<5:
    i+=1
    print("Anup Tirkey is a Mechanical Engineer, NIT.")

import matplotlib.pyplot as plt
import numpy as np

x= ["oct","nov","dec"]
y = [55000,67000,72000]

plt.xlabel("months")
plt.ylabel("sales")


plt.plot(x,y)
plt.show()

import matplotlib.pyplot as plt
import numpy as np

x = ["april","may","june"]
y = [550,770,870]

plt.xlabel("months")
plt.ylabel("rains")

plt.plot(x,y)
plt.show()

class car:
    def __init__(self,name,age):
        self.name = name
        self.age = age
c1 = car("hyundai",15)
print(c1.name)
print(c1.age)

class Plane:
    def __init__(self,name,year):
        self.name = name
        self.year = year

p1= Plane("sukhoi mk30",2019)
print(p1.name)
print(p1.year)