Create python generator files for gsm symbolic templates

reasoning_gym/arithmetic/gsm_symbolic/generator_48.py

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+from random import Random
+from typing import Dict, Any
+
+def generate_from_variables(item1: str, item2: str, shop: str, currency: str, 
+                          price1: int, price2: int, n1: int, n2: int) -> Dict[str, Any]:
+    total1 = n1 * price1
+    total2 = n2 * price2
+    diff = total1 - total2
+    
+    question = f"A loaf of {item1} at the {shop} costs {currency}{price1}. {item2}s cost {currency}{price2} each. How much more do {n1} loaves of {item1} cost than {n2} {item2}s?"
+    
+    answer_cot = f"{n1} loaves of {item1} cost {n1} * {currency}{price1} = {currency}{total1}.\n" \
+                 f"{n2} {item2}s cost {n2} * {currency}{price2} = {currency}{total2}.\n" \
+                 f"The loaves of {item1} cost {currency}{total1} - {currency}{total2} = {currency}{diff} more than the {item2}s.\n" \
+                 f"#### {diff}"
+
+    return {
+        'question': question,
+        'answer': str(diff),
+        'answer_cot': answer_cot,
+        'answer_value': diff,
+        'variables': {
+            'item1': item1,
+            'item2': item2,
+            'shop': shop,
+            'currency': currency,
+            'price1': price1,
+            'price2': price2,
+            'n1': n1,
+            'n2': n2,
+            'total1': total1,
+            'total2': total2
+        }
+    }
+
+def generate_example(rng: Random, difficulty: float = 1.0) -> Dict[str, Any]:
+    items1 = ["bread", "sourdough"]
+    items2 = ["bagel", "muffin", "croissant", "biscuit"]
+    shops = ["bakery", "cafe", "store", "market"]
+    currencies = ["$", "£", "€"]
+    
+    item1 = rng.choice(items1)
+    item2 = rng.choice(items2)
+    shop = rng.choice(shops)
+    currency = rng.choice(currencies)
+    
+    price1 = int(rng.randint(2, int(10 * difficulty)))
+    price2 = int(rng.randint(1, int(5 * difficulty)))
+    n1 = int(rng.randint(2, int(10 * difficulty)))
+    n2 = int(rng.randint(2, int(10 * difficulty)))
+    
+    # Ensure condition: n1 * price1 > n2 * price2
+    while n1 * price1 <= n2 * price2:
+        n1 = int(rng.randint(2, int(10 * difficulty)))
+        n2 = int(rng.randint(2, int(10 * difficulty)))
+
+    result = generate_from_variables(item1, item2, shop, currency, price1, price2, n1, n2)
+    
+    return {
+        'question': result['question'],
+        'answer': result['answer'],
+        'metadata': {
+            'difficulty': difficulty,
+            'answer_value': result['answer_value'],
+            'answer_cot': result['answer_cot'],
+            'variables': result['variables']
+        }
+    }
+
+def original_example() -> Dict[str, Any]:
+    return generate_from_variables("bread", "bagel", "bakery", "$", 2, 1, 3, 2)