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Data Structures/GPT Answers to Past Paper/Question 6.md

@@ -1,4 +1,4 @@
-# Evaluate the postfix expression `6 2 3 + -.`
+# Evaluate the Postfix Expression `6 2 3 + -.`
 
 ### **Postfix Evaluation Rules**
 
@@ -13,25 +13,25 @@
 **Expression**: `6 2 3 + -`
 
 1. **Read `6`**:
-    
+
     - Push `6` onto the stack.
     - **Stack**: `[6]`
 2. **Read `2`**:
-    
+
     - Push `2` onto the stack.
     - **Stack**: `[6, 2]`
 3. **Read `3`**:
-    
+
     - Push `3` onto the stack.
     - **Stack**: `[6, 2, 3]`
 4. **Read `+`**:
-    
+
     - Pop the top two operands (`3` and `2`).
     - Perform `2 + 3 = 5`.
     - Push the result (`5`) onto the stack.
     - **Stack**: `[6, 5]`
 5. **Read `-`**:
-    
+
     - Pop the top two operands (`5` and `6`).
     - Perform `6 - 5 = 1`.
     - Push the result (`1`) onto the stack.
@@ -42,4 +42,3 @@
 ### **Final Result**:
 
 The result of the postfix expression `6 2 3 + -` is **`1`**.
-