x = " there are %d tpes of people " % 10 
bainary ="binary"
do_not ="don't"
y = "those who know %s and those who %s " %( bainary, do_not)

print x
print y

print "i said : %r " %x
print " i also said :' %r '" %y

hilarous = True 
joke_eval = "isnt that joke so funny%r"

print joke_eval  %hilarous 

w =" this is the left side of... " 
e = " a string with a right side..."

print w+e 


