Added insertion operations for Min Heap and Max Heap in Python

DSA/Heaps/insertion_in_min_max_heap.py

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+# Insertion in Min Heap and Max Heap
+# Author: Suhaani Garg
+# Description: Demonstrates how to insert an element in both Min Heap and Max Heap in Python.
+
+import heapq
+
+# ----- MIN HEAP -----
+def insert_min_heap(heap, value):
+    """Insert an element into a Min Heap."""
+    heapq.heappush(heap, value)
+    return heap
+
+# ----- MAX HEAP -----
+def insert_max_heap(heap, value):
+    """Insert an element into a Max Heap."""
+    # Python heapq is a Min Heap, so we invert the value for Max Heap
+    heapq.heappush(heap, -value)
+    return heap
+
+# ----- DEMO -----
+if __name__ == "__main__":
+    min_heap = []
+    max_heap = []
+
+    # Inserting elements
+    for num in [10, 4, 15, 20, 0]:
+        insert_min_heap(min_heap, num)
+        insert_max_heap(max_heap, num)
+
+    print("Min Heap (ascending order):", min_heap)
+    print("Max Heap (descending order):", [-x for x in max_heap])