# Author:  James Tam
# Version: November 18, 2021
# Learning objectives:
# * Creating strings
# * Accessing elements
# * Reassigning a new string to a reference
# * Immutability of strings
* * Passing strings and parts of strings as parameters.

def fun(str1,str2,str3):
    print("str1=%s" %(str1))
    print("str2=%s" %(str2))
    print("str3=%s" %(str3))

def start():
    aString1 = "123"
    aString2 = aString1 #Both refer to the same string
    aString1 = "abcdef"  #123 is immutable, doesn't change it. Create new string and have aString1 refer to it
    print(aString1)
    print(aString2)
    fun(aString2,aString1[2],(aString1[0]+aString1[2]+"/"+aString1[3]+aString1[2])

start()