#Q1
print('Twinkle, twinkle, little star,\n\tHow I wonder what you are!\n\t\tUp above the world so high,\n\t\tLike a diamond in the sky.\nTwinkle, Twinkle, little star,\n\tHow I wonder what you are')

#Q2
import sys
print(sys.version)

#Q3
import datetime
print(datetime.datetime.today())

#Q4
input1 = int(input("enter the radius of circle"))
print("area of circle is : ",2*3.142*input1)

#Q5
f_name = input("First name : ")
l_name = input("Last name : ")
print(l_name + ' ' + f_name)

#Q6
n1 = int(input("input number 01 :"))
n2 = int(input("input number 02 :"))
print(n1+n2)
