python 字符转译 用“\”python 长字符串连接 ，在每行最后加上“\”
转意符：“\”
>>> testStr=" This is a rather long string containing\n\
several lines of text just as you would do in C.\n\
several lines of text just as you would do in C.\n\
”
1 #字符串连接方式
2 >>> “my python ”+" is ok"
3 >>> "mypython" "is ok"
4 #这两种方式是一样的。只是第2句不能是任何形式的字符串表达式
2 >>> “my python ”+" is ok"
3 >>> "mypython" "is ok"
4 #这两种方式是一样的。只是第2句不能是任何形式的字符串表达式