refactor; remove the term interface

src/utils.py

@@ -29,8 +29,8 @@ def list_to_matrix(lst: list[int], cols: int) -> list[list[int]]:
     return [lst[i:i + cols] for i in range(0, len(lst), cols)]
 
 
-def matrix_transpose(interface: list[list[int]]) -> list[list[int]]:
-    return [list(row) for row in zip(*interface)]
+def matrix_transpose(mat: list[list[int]]) -> list[list[int]]:
+    return [list(row) for row in zip(*mat)]
 
 
 def int_array_to_bytes(int_arr: list[int], byte_size: int = 2) -> bytes: