fixing the code formating mistake and update the code

Author: SubhadipD9

data_structures/arrays/spiral_matrix.py

@@ -1,64 +1,64 @@
 class Solution:
-    def generateMatrix(self, n: int) -> list[list[int]]:
-        # Create an n x n matrix filled with zeros
+    def generate_matrix(self, n: int) -> list[list[int]]:
+        # create an n x n matrix filled with zeros
         result = [[0] * n for _ in range(n)]
-
+        
         # Start filling numbers from 1 to n^2
         value = 1
-
+        
         # Define the boundaries for rows and columns
         rowStart, rowEnd = 0, n - 1
         colStart, colEnd = 0, n - 1
 
         # Continue filling the matrix layer by layer in spiral order
         while rowStart <= rowEnd and colStart <= colEnd:
+            
             # Step 1: Fill the top row (left → right)
             for i in range(colStart, colEnd + 1):
-                result[rowStart][i] = value  # assign the current value
-                value += 1  # move to next number
+                result[rowStart][i] = value   # assign the current value
+                value += 1                    # move to next number
             rowStart += 1  # move top boundary down (row filled)
-
+            
             # Step 2: Fill the rightmost column (top → bottom)
             for j in range(rowStart, rowEnd + 1):
                 result[j][colEnd] = value
                 value += 1
             colEnd -= 1  # move right boundary left (column filled)
-
+            
             # Step 3: Fill the bottom row (right → left)
             # Only if there are rows remaining to fill
             if rowStart <= rowEnd:
                 for k in range(colEnd, colStart - 1, -1):
                     result[rowEnd][k] = value
                     value += 1
                 rowEnd -= 1  # move bottom boundary up (row filled)
-
+            
             # Step 4: Fill the leftmost column (bottom → top)
             # Only if there are columns remaining to fill
             if colStart <= colEnd:
                 for l in range(rowEnd, rowStart - 1, -1):
                     result[l][colStart] = value
                     value += 1
-                colStart += 1  # move left boundary right (column filled)
+                col_start += 1
 
-        # Return the completed spiral matrix
+        # return the completed spiral matrix
         return result
 
 
-# Example usage:
+# example usage
 solution = Solution()
+n = 3  # change this to any number, e.g., 4 or 5
+matrix = solution.generate_matrix(n)
 
-n = 3  # You can change this to any number, e.g. 4 or 5
-matrix = solution.generateMatrix(n)
-
-# Print the spiral matrix row by row
+# print the spiral matrix row by row
 for row in matrix:
     print(row)
 
 
-# Output:
-"""
+# Output: 
+'''
     [1, 2, 3]
     [8, 9, 4]
     [7, 6, 5]
 
-"""
+'''