Heputhishandintohispocketandtook【out】asmallwallet.

　　=Heputhishandintohispocketandtookasmallwallet【outof】it.

　　takesthout：动词短语,【拿/取出】,out是副词,该短语后面不接宾语,宾语已经在两个词之间.

　　takesthoutofsth：从.里面取出.of介词,后面需要接宾语,强调事物原来存放的地方.例如：

　　Hetookabookout.

　　Hetookabookoutofhisdrawer.

　　祝你开心如意!