Python Course – 5. Functions
Learn Python functions: arguments and parameters, scope, documenting your code and lambda functions, with theory, videos and a hands-on ATM exercise.
Category: Programming languages
Python Course – 6. Libraries/Packages
Learn how to use and create Python packages and modules, install third-party libraries with PIP, and work with Random, Math and Datetime, with exercises.
Python Course – 7. Exceptions
Learn how Python exceptions work: how to catch them, which ones to handle and which to let through, with video lessons, theory and hands-on exercises.
Python Course – 8. Files
Learn how to work with files and directories in Python: paths, reading and writing files, plus practical exercises with video lessons and downloadable theory.
Generators in Python – The Foundation of Streaming
Python generators let you stream data in real time and get each item only when it's consumed. A great balance between processing and memory. Learn them here.
Return in Python: Every Type of Return Explained
Return in Python means "we're done". Functions with: Return and one value, Return and several values, Return None, Return void, No Return, and more.
Mapping and MutableMapping in Python
Learn how to build your own dictionary-like classes in Python with Mapping and MutableMapping: magic methods, lifecycle, repr, str and a full working example.
Specialize Your Own Collection in Python
Mapping, Sequence or Collection in Python: you choose the best one for the data structure you want to build. A simple explanation of everything you need.
Python Dictionary Views: keys, values, and items
In Python Views, if you change something in the underlying dictionary (a value or a key), the change is reflected inside the Views. Learn how they work.
Python repr vs str
Understand repr vs str in Python and learn how to use them in any custom class. Examples of using repr for debugging.
Hashables in Python
A hashable is any object that returns its "Hash Code" when asked, and that code stays the same for the whole life of the object. Learn how it works in Python.
Mutable and Immutable Types in Python
Learn whether a variable can change (mutable) or not (immutable). Mutable: List, Dict, Set. Immutable: String, Int, Float, Bool, Tuple, Range, Decimal.