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Chatty reference · computationalthinking week 4
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2026-08-16
12. CT Week 4
- Nested iterations
- Birthday paradox
- Binning
This is a major pattern jump.
Nested loop structure:
textfor each x: for each y: do something
Conceptually:
n×n
potential pairwise interactions.
Birthday-paradox pattern
Not merely a probability question.
It's a pair-generation / collision-detection pattern.
Binning
Map continuous/discrete values into categories:
x→bin(x)
This idea becomes useful throughout data science.