#!/usr/bin/python

# s[i:j] is from index i to j-1
# ommission is the beginning or end of the string

s1 = "Box Car"

print "x"
print s1[2]

print "x C"
print s1[2:5]

print "Bo"
print s1[:2]

print "ar"
print s1[5:]

s2 = "new " + s1
print "new Box Car"
print s2