2nd semister Unit-2 Python notes 

Unit-II: Threading, Exception Handling and File:

Threading: 

• Understanding threads
• Class and threads
• Creating Threads
• Thread Synchronization
• Treads Life cycle
• Multi-threading.

Exception Handling: 

• Error in Python program
• exceptions
• steps in exception handling using try
• except
• else and finally blocks
• types of exceptions- built-in and user-defined exceptions
• assert statement.

File Input Output: 

• Types of files in Python
• opening a file- the file opening modes closing a file
• working with text files containing strings
•  working with binary files
• with statement
• pickling and unpickling, seek() and tell() methods
• random accessing of binary files
• zipping and unzipping files
• working with directories.