Commit603b8ca

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new file: expand/2.py

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	`1`	`+#s = raw_input()`
	`2`	`+#i = 0`
	`3`	`+#for i in s:`
	`4`	`+# print i`
	`5`	`+#raw_input()`
	`6`	`+`
	`7`	`+#扩展成在字符串中把特定字符替换成规定字符`
	`8`	`+importre`
	`9`	`+defprintReplace(srcStr,word):`
	`10`	`+forletterinsrcStr:`
	`11`	`+ifletter==word:`
	`12`	`+srcStr=srcStr.replace(letter,'!')#字符串不可更改`
	`13`	`+returnsrcStr`
	`14`	`+`
	`15`	`+defprintReplace_re(srcStr,word):`
	`16`	`+srcStr=re.sub(word,'!',srcStr)`
	`17`	`+returnsrcStr`
	`18`	`+`
	`19`	`+defmain():`
	`20`	`+srcStr=raw_input(u"请输入一个字符串：")`
	`21`	`+destStr=printReplace_re(srcStr,'i')`
	`22`	`+printdestStr`
	`23`	`+`
	`24`	`+`
	`25`	`+if__name__=="__main__":`
	`26`	`+main()`
	`27`	`+`

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