Excercise|Excercise 6|learn python the hard way

%s 表示为字符替代符号
%r 表示为引号+字符替代符号
【Excercise|Excercise 6|learn python the hard way】今日练习。
http://learnpythonthehardway.org/book/ex6.html

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) hilarious = False joke_evaluation = "Isn't that joke so funny?! %r"print (joke_evaluation % hilarious)w = "This is the left side of ..." e = "a stromg wotj a rogjt side."print (w + e)

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