s = "Iwantaapple"
print( s[4] )
s = " apluscompsci "
print( len(s) )
s = "apluscompsci"
print( s[4:7] )
s = "apluscompsci"
print( s[:-7] )
s = "apluscompsci"
print( s.find("us") )
s = "apluscompsci"
print( s.rfind("mp") )
s = "apluscompsci"
print( s[4] + s[9] )