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Multiple Context Managers
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Classroom Contents
Python Unplugged: Mining for Hidden Batteries
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- 1 Introduction
- 2 Chapter 1: Fetching data
- 3 urllib
- 4 TypedDict
- 5 Batching
- 6 islice
- 7 batched
- 8 DictWriter
- 9 Chapter 2: Cleaning data
- 10 pairwise
- 11 chain
- 12 ChainMap¹
- 13 Multiple Context Managers
- 14 Doctest
- 15 yield from
- 16 misusing return value in generators
- 17 NamedTuple²
- 18 Chapter 3: Processing data
- 19 defaultdict
- 20 Counter
- 21 groupby
- 22 reduce / tee
- 23 ¹itertools.ChainMap is wrong: collections.ChainMap is right
- 24 ²We also need to yield one more time at the end for the case, where the last books are lost books. Maybe even yield namedtuplebook: Book, lost: bool
