ex6.py

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


print x
print y

print "I said: %r." % x
print "I also said: '%s'."  %y

ok = False

joke_evaluation = "Isn't that joke so funny?! %r" 

 # # why not to use  x% d%" ??


print joke_evaluation %ok


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

print w + e