习题6:字符串和文本

发布时间：2017-11-07 15:40:19编辑：Run阅读（4042）

    将键入大量的字符串，变量，和格式化字符，并且将它们打印出来

    代码如下

    # coding: utf-8
__author__ = 'www.py3study.com'
x = "There are {} types of people.".format(10)
binary = 'binary'
do_not = "don't"
y = "Those who know {} and those who {}.".format(binary, do_not)
print(x)
print(y)
print("I said: %r." % x)
print("I also said: '{}'".format(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)

    应该看到的结果

    There are 10 types of people.
    Those who know binary and those who don't.
    I said: 'There are 10 types of people.'.
    I also said: 'Those who know binary and those who don't.'
    Isn't that joke so funny ?! False
    This is the left side of...a string with a right side.


    常见问题

    %r用来做debug比较好，因为它会显示变量的原始数据(raw data),而其它的符号则是用来向用户显示输出的

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