Add unit tests for calculator

calculator/lib/python3.12/site-packages/pygments/lexers/functional.py

@@ -0,0 +1,21 @@
+"""
+    pygments.lexers.functional
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Just export lexer classes previously contained in this module.
+
+    :copyright: Copyright 2006-present by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+# ruff: noqa: F401
+from pygments.lexers.lisp import SchemeLexer, CommonLispLexer, RacketLexer, \
+    NewLispLexer, ShenLexer
+from pygments.lexers.haskell import HaskellLexer, LiterateHaskellLexer, \
+    KokaLexer
+from pygments.lexers.theorem import RocqLexer
+from pygments.lexers.erlang import ErlangLexer, ErlangShellLexer, \
+    ElixirConsoleLexer, ElixirLexer
+from pygments.lexers.ml import SMLLexer, OcamlLexer, OpaLexer
+
+__all__ = []