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← Courses›Creative Challenges›Module 6 · 🔧 Refactor Master (10)›🔧 Refactor #06: Mutating a global → pure functionfix58 / 104
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Task
📝 **Task:** Refactor `add_sale` to be pure: accept `totals` as a parameter and return the updated dict.
📋 Implement the function above. Tests run automatically.
💡 **Hint:** Re-read the theory if stuck.
✏️ Write your code here
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