Create python generator files for gsm symbolic templates

reasoning_gym/arithmetic/gsm_symbolic/generator_43.py

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+from random import Random
+from typing import Dict, Any
+
+def generate_from_variables(person1: str, item: str, n: int, relation: str, k: int) -> Dict[str, Any]:
+    other_amount = n - k
+    total = n + other_amount
+    
+    question = f"A {person1} has {n} {item}s. His {relation} has {k} fewer {item}s than he has. How many {item}s do they have together?"
+    
+    answer_cot = f"His {relation} has {n} - {k} = {other_amount} {item}s.\nTogether, they have {n} + {other_amount} = {total} {item}s.\n#### {total}"
+    
+    return {
+        'question': question,
+        'answer': str(total),
+        'answer_cot': answer_cot,
+        'answer_value': total,
+        'variables': {
+            'person1': person1,
+            'item': item,
+            'first_amount': n,
+            'relation': relation,
+            'difference': k,
+            'second_amount': other_amount,
+            'total': total
+        }
+    }
+
+def generate_example(rng: Random, difficulty: float = 1.0) -> Dict[str, Any]:
+    people = ["student", "boy", "child", "kid"]
+    items = ["marble", "sticker", "toy", "book", "pencil"] 
+    relations = ["sister", "brother", "friend", "cousin"]
+    
+    person1 = rng.choice(people)
+    item = rng.choice(items)
+    relation = rng.choice(relations)
+    
+    n = int(rng.randint(5, int(21 * difficulty)))
+    k = int(rng.randint(2, min(n-1, int(10 * difficulty))))
+    
+    result = generate_from_variables(person1, item, n, relation, k)
+    
+    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("boy", "card", 5, "brother", 3)