Added docstrings to improve documentation in sort_blocks and in main function and also handeled the exception in the main block

sort.py

@@ -16,6 +16,13 @@
 
 def sort_blocks():
     # First, we load the current README into memory
+    def sort_blocks():
+        """Sorts and restructures the README file.
+
+        The function reads the  file(README.md) and sorts its library entries,
+        alphabetically while maintaining section headers, and writes the sorted,
+        content back to the file."""
+    
     with open('README.md', 'r') as read_me_file:
         read_me = read_me_file.read()
 
@@ -43,6 +50,19 @@ def sort_blocks():
         sorted_file.write(final_README)
 
 def main():
+    """
+    Main function to process and sort blocks in `README.md`.
+
+    This function reads the file, groups list entries into sortable blocks,
+    sorts them alphabetically while preserving indentation and headers,
+    and writes the sorted content back to `README.md`.
+
+    It then calls `sort_blocks()` to further refine the sorting.
+
+    Raises:
+        Exception: If any error occurs while processing the file.
+    """
+    try:
     # First, we load the current README into memory as an array of lines
         with open('README.md', 'r') as read_me_file:
             read_me = read_me_file.readlines()
@@ -77,6 +97,8 @@ def main():
 
         # Then we call the sorting method
         sort_blocks()
+    except Exception as e:
+        print(f"Error in processing README.md file: {e}")
 
 
 if __name__ == "__main__":