Add ounces to grams conversion.

Adds a simple cooking-related unit conversion using the avoirdupois ounce.

Author: abre-dev

conversions/ounces_to_grams.py

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+"""
+Convert ounces to grams.
+
+This conversion uses the avoirdupois ounce:
+1 ounce = 28.3495 grams
+"""
+
+def ounces_to_grams(ounces: float) -> float:
+    """
+    Convert ounces to grams.
+
+    :param ounces: Weight in ounces
+    :return: Weight in grams
+    """
+    if ounces < 0:
+        raise ValueError("Weight cannot be negative")
+
+    return ounces * 28.3495
+
+
+if __name__ == "__main__":
+    ounces = float(input("Enter weight in ounces: "))
+    grams = ounces_to_grams(ounces)
+    print(f"{ounces} ounces is equal to {grams:.2f} grams")