Update 2 - translated 10.4-7

Author: basicskywards

10.-brief-tour-of-the-standard-library.md

@@ -31,7 +31,7 @@ Các hàm dựng sẵn [`dir()`](https://docs.python.org/3/library/functions.htm
 >>> shutil.copyfile('data.db', 'archive.db')
 'archive.db'
 >>> shutil.move('/build/executables', 'installdir')
-'installdir'
+'installdir' 
 ```
 
 ### 10.2. Tệp ký tự đại diện (File Wildcards)