Python drops 🐍💧

Flashcards for visual learners

Past tips

1. Filtering Truthy values
2. Readable object names
3. Custom containment checks
4. Match word boundaries
5. Common __hash__ implementation
6. Docstring __doc__ attribute
7. Dynamic width string formatting
8. Non-local variables
9. Temporary directories
10. Timestamp file names
11. Preserving decorated function metadata
12. Natural alphabetical sorting
13. Constrained generics
14. Caching sets and frozen sets
15. File modes
16. Add lists together, fast
17. Generics syntax
18. Extracting text data into a dict
19. Verbose regular expressions
20. Structural validation and homogenisation
21. Bulk renaming files
22. Typing overloads
23. Undoable iterator with value history
24. Match an exact dictionary structure
25. Built-in next with a default value
26. Match the structure of custom objects
27. Peek at an iterable
28. Slicing generators for debugging
29. Structural pattern matching with dictionaries
30. File discovery by name pattern
31. Extract assignments from conditionals
32. Regex multiline flag
33. Split strings in two halves
34. Generator recipe
35. Concatenate files from handlers
36. Formatting dates with f-strings
37. Resolving paths
38. Named groups in regex
39. Formatting big numbers
40. One-shot file I/O
41. File tail
42. Idiomatic sequence slicing
43. Subclassing immutable types
44. Underscore in the REPL
45. Ergonomic multiline strings
46. Structural unpacking
47. t-strings need processing
48. Module itertools categorisation
49. Case-insensitive regular expressions
50. String constants
51. Dynamic regex replacements
52. Random choices
53. Redacting email addresses
54. Batching API calls
55. Dot product idiom
56. Counting values that satisfy a predicate
57. Format specifier !r
58. Read files in chunks
59. Bounded cache
60. Longest and shortest
61. OS-agnostic line splitting
62. Automatic enumeration values
63. Global enumeration members
64. Multi-dictionary
65. Typing iterables instead of lists
66. Inline lists and tuples
67. Transpose a list of lists
68. Normalise strings by removing accents
69. Most recently-modified file
70. Enumerations of string values
71. Return value of a generator
72. Use Literal for options
73. Flag enumerations
74. Enforce keyword arguments for options
75. Notify parent class when subclassing
76. Dynamic attribute manipulation
77. Longest word in a string
78. Chain multiple dictionaries
79. Set operations with dict.keys()
80. Current date and time
81. Dunder attribute __file__
82. Self-debugging f-strings
83. Immutable dictionary
84. Create context managers with contextlib.contextmanager
85. Type statements
86. Round to pretty whole numbers
87. Multiple options in a single case statement
88. String prefixes and suffixes
89. Run-length encoding
90. Count characters in a file
91. Remove punctuation from a string
92. map with multiple arguments
93. Schedule cleanup actions
94. Unique elements from a list
95. Last element that satisfies a condition
96. First element that satisfies a condition
97. Parsing integers from different bases
98. Type unions with the vertical bar in isinstance
99. Case-insensitive string comparisons
100. zip's keyword argument strict

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