Refactor count_sourcelines.py for clarity and style

Removed redundant comments, simplified ignore_set initialization, and updated string formatting to use .format(). Minor code style improvements for readability.

Author: Lulalaby

count_sourcelines.py

@@ -1,9 +1,7 @@
-# prints recursive count of lines of python source code from current directory
-# includes an ignore_list. also prints total sloc
-
 import os
+
 cur_path = os.getcwd()
-ignore_set = set(["__init__.py", "count_sourcelines.py"])
+ignore_set = {"__init__.py", "count_sourcelines.py"}
 
 loc_list = []
 
@@ -12,14 +10,14 @@
         if py_file.endswith(".py") and py_file not in ignore_set:
             total_path = os.path.join(py_dir, py_file)
             try:
-                # Open the file with UTF-8 encoding
-                with open(total_path, "r", encoding="utf-8") as file:
-                    loc_list.append((len(file.read().splitlines()),
-                                     total_path.split(cur_path)[1]))
+                with open(total_path, encoding="utf-8") as file:
+                    loc_list.append(
+                        (len(file.read().splitlines()), total_path.split(cur_path)[1])
+                    )
             except UnicodeDecodeError as e:
                 print(f"Skipping file {total_path} due to encoding error: {e}")
 
 for line_number_count, filename in loc_list:
     print("%05d lines in %s" % (line_number_count, filename))
 
-print("\nTotal: %s lines (%s)" % (sum([x[0] for x in loc_list]), cur_path))
+print("\nTotal: {} lines ({})".format(sum([x[0] for x in loc_list]), cur_path))