Create sol.py

Author: nandanabhishek

Tree/Binary Search Tree/Search Minimum element in BST/sol.py

@@ -0,0 +1,12 @@
+#Function to find the minimum element in the given BST.
+def minValue(root):
+    if not root:
+        return None
+    
+    current = root
+  
+    # loop down to find the lefmost leaf
+    while current.left:
+        current = current.left
+  
+    return current.data