print "Hello World"
print "My name is Katherine \nThis is Python"
print 2015 #Printing on integer
print "2015" #Printing a string 
print 3.1416 #Printing a floating point number 

print 2 + 2 
print 2 - 2 
print 2 * 2 
print 2 / 2 
print 2 % 2

print 3.1416 * 2.0 
print 3.1416 * 2
