seed: curriculum content

1.solar-system/2.first-light/10.the-calculator/index.md

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+---
+type: challenge
+title: "The Calculator"
+xp: 100
+duration: 35
+difficulty: 2
+---
+
+# The Calculator
+
+> **[INCOMING — Mission Control, Earth]**
+>
+> Cadet, capstone. Combine everything you've learned in this module
+> into one program.
+>
+> Implement `calculate(a, b)` that returns a dictionary with all four
+> basic operations:
+>
+> ```python
+> {
+>     "sum":        a + b,
+>     "difference": a - b,
+>     "product":    a * b,
+>     "quotient":   a / b,
+> }
+> ```
+>
+> Convert both inputs with `float()` so results are consistent — and
+> so string inputs work too.
+>
+> [END TRANSMISSION]
+
+## Your Task
+
+In `starter/starter.py`, convert both inputs to float, then return
+the dictionary with the four keys above.
+
+## Objectives
+
+- `calculate(10, 5)` returns the four operations as a dict
+- Works with int, float, and string inputs
+- All values are floats