代码如下：
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# -*-coding:utf-8- -*-
# 字符串(string)和文本
x = "There are %d types of people." % 10
binary = "bianry"
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 string with a right side."
print w + e
执行结果：
