'''pdb_eg2.py --- experiment with python debugger, pdb '''
import pdb

def combine(s1,s2):
	s3 = s1 + s2 + s1
	s3 = '"' + s3 + '"'
	return s3

a = "aaa"
pdb.set_trace()
b = "bbb"
c = "ccc"

final = combine(a,b)
print final
