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python/s/binomial-coefficient.md

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+---
+title: Binomial coefficient
+type: snippet
+language: python
+tags: [math]
+cover: digital-nomad-5
+dateModified: 2020-11-02T19:27:07+02:00
+---
+
+Calculates the number of ways to choose `k` items from `n` items without repetition and without order.
+
+- Use `math.comb()` to calculate the binomial coefficient.
+
+```py
+from math import comb
+
+def binomial_coefficient(n, k):
+  return comb(n, k)
+```
+
+```py
+binomial_coefficient(8, 2) # 28
+```