Python Classroom notes 07/Apr/2026

Standard library

• We will look into

  • File management
  • data formats
  • date time handling
  • threading and async
  • logging
  • cryptography

• in addition to these we would be learning

  • context managers
  • generators
  • exception handling
  • decorators

File Management

Built-ins

• Refer Here for python built in functions

Basic file creation, appending, reading

• open built in function can deal with files Refer Here
• open function we can pass file path and mode r, w, a, x, rb, wb, ab, +

• paths:

  • absoulte
  • relative

• Basic file reading and writing (find in the notebook)

Context Manager

• A context manager in python is a class which has __enter__ and __exit__ methods