one more example

coderefinery · Sep 12, 2024 · 100fafa · 100fafa
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diff --git a/content/refactoring/as-class.py → content/refactoring/using-class.py b/content/refactoring/as-class.py → content/refactoring/using-class.py
diff --git a/content/refactoring/as-dataclass.py → content/refactoring/using-dataclass.py b/content/refactoring/as-dataclass.py → content/refactoring/using-dataclass.py
diff --git a/content/refactoring/using-namedtuple.py b/content/refactoring/using-namedtuple.py
@@ -0,0 +1,15 @@
+import math
+from collections import namedtuple
+
+
+def surface_area(radius: float) -> float:
+    return 4.0 * math.pi * radius**2
+
+
+Moon = namedtuple("Moon", ["name", "radius", "contains_water"])
+
+
+europa = Moon(name="Europa", radius=1560.8, contains_water=True)
+
+print(europa)
+print(f"Surface area (km^2) of {europa.name}: {surface_area(europa.radius)}")