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Iterators Tutorial

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	`1`	`+`
	`2`	`+classSentence:`
	`3`	`+`
	`4`	`+def__init__(self,sentence):`
	`5`	`+self.sentence=sentence`
	`6`	`+self.index=0`
	`7`	`+self.words=self.sentence.split()`
	`8`	`+`
	`9`	`+def__iter__(self):`
	`10`	`+returnself`
	`11`	`+`
	`12`	`+def__next__(self):`
	`13`	`+ifself.index>=len(self.words):`
	`14`	`+raiseStopIteration`
	`15`	`+index=self.index`
	`16`	`+self.index+=1`
	`17`	`+returnself.words[index]`
	`18`	`+`
	`19`	`+`
	`20`	`+defsentence(sentence):`
	`21`	`+forwordinsentence.split():`
	`22`	`+yieldword`
	`23`	`+`
	`24`	`+`
	`25`	`+my_sentence=sentence('This is a test')`
	`26`	`+`
	`27`	`+# for word in my_sentence:`
	`28`	`+# print(word)`
	`29`	`+`
	`30`	`+print(next(my_sentence))`
	`31`	`+print(next(my_sentence))`
	`32`	`+print(next(my_sentence))`
	`33`	`+print(next(my_sentence))`
	`34`	`+print(next(my_sentence))`
	`35`	`+`
	`36`	`+`
	`37`	`+# This should have the following output:`
	`38`	`+# This`
	`39`	`+# is`
	`40`	`+# a`
	`41`	`+# test`

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