# In-class programming from 9am section
# Note: reformatted slightly to be more consistent with IDLE

Python 3.5.2 (default, Dec 2015, 13:05:11)
[GCC 4.8.2] on linux
>>>print("Hello World!")
Hello World!
>>>def greet(): 
	print("Hello!") 
   
>>>greet()
Hello!
>>>def greet(person): 
	print("Hello" + person) 
   
>>>greet("Rachel")
HelloRachel
>>>def greet(person): 
	print("Hello " + person) 
	   
>>>greet("Rachel")
Hello Rachel
>>>def greet(person): 
	print("Hello " + person + "!") 
   
>>>greet("Rachel")
Hello Rachel!
>>>greet("Astou")
Hello Astou!
>>>friend = "Tani"
>>>greet(friend)
Hello Tani!
>>>3+4
7
>>>x=3
>>>y=4
>>>x+y
7
>>>friend="Tani"
>>>def add(x,y): 
	print(x+y) 
   
>>>add(4,5)
9