Introduce Syntax and History of Python from 2.4 to 3.6
summary
Covers concrete syntax and migration steps from Python 2.4 up through 3.6 and notes 3.7 features backported or upcoming, with code-level comparisons and refactoring advice. Highlights set and generator expressions, decorators, change to print function and division semantics, and adds f-strings for formatting, async/await for coroutines, and pathlib.Path plus os.scandir and secrets for file and security tasks. Recommends replacing percent formatting and old exception syntax, shows when changes are backward compatible and when to rewrite.
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chapters (11)
- 0:00Start
- 4:31The history of Python by release date
- 13:34import () Multi-line Imports
- 16:36%s vs str.format vs f-string
- 19:44dict Comprehensions
- 20:35enum (Python 3.4 +)
- 22:17@ operator
- 24:23secrets module
- 24:49Data Classes
- 27:00os.listdir() vs pathlib
- 29:04Important changes in each version
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