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diff --git a/venv/lib/python3.11/site-packages/pygments/lexers/lean.py b/venv/lib/python3.11/site-packages/pygments/lexers/lean.py
new file mode 100644
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+++ b/venv/lib/python3.11/site-packages/pygments/lexers/lean.py
@@ -0,0 +1,122 @@
+"""
+    pygments.lexers.lean
+    ~~~~~~~~~~~~~~~~~~~~
+
+    Lexers for the Lean theorem prover.
+
+    :copyright: Copyright 2006-2023 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+import re
+
+from pygments.lexer import RegexLexer, default, words, include
+from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
+    Number, Punctuation, Generic, Whitespace
+
+__all__ = ['Lean3Lexer']
+
+class Lean3Lexer(RegexLexer):
+    """
+    For the Lean 3 theorem prover.
+
+    .. versionadded:: 2.0
+    """
+    name = 'Lean'
+    url = 'https://leanprover-community.github.io/lean3'
+    aliases = ['lean', 'lean3']
+    filenames = ['*.lean']
+    mimetypes = ['text/x-lean', 'text/x-lean3']
+
+    tokens = {
+        'expression': [
+            (r'\s+', Text),
+            (r'/--', String.Doc, 'docstring'),
+            (r'/-', Comment, 'comment'),
+            (r'--.*?$', Comment.Single),
+            (words((
+                    'forall', 'fun', 'Pi', 'from', 'have', 'show', 'assume', 'suffices',
+                    'let', 'if', 'else', 'then', 'in', 'with', 'calc', 'match',
+                    'do'
+                ), prefix=r'\b', suffix=r'\b'), Keyword),
+            (words(('sorry', 'admit'), prefix=r'\b', suffix=r'\b'), Generic.Error),
+            (words(('Sort', 'Prop', 'Type'), prefix=r'\b', suffix=r'\b'), Keyword.Type),
+            (words((
+                '(', ')', ':', '{', '}', '[', ']', '⟨', '⟩', '‹', '›', '⦃', '⦄', ':=', ',',
+            )), Operator),
+            (r'[A-Za-z_\u03b1-\u03ba\u03bc-\u03fb\u1f00-\u1ffe\u2100-\u214f]'
+             r'[.A-Za-z_\'\u03b1-\u03ba\u03bc-\u03fb\u1f00-\u1ffe\u2070-\u2079'
+             r'\u207f-\u2089\u2090-\u209c\u2100-\u214f0-9]*', Name),
+            (r'0x[A-Za-z0-9]+', Number.Integer),
+            (r'0b[01]+', Number.Integer),
+            (r'\d+', Number.Integer),
+            (r'"', String.Double, 'string'),
+            (r"'(?:(\\[\\\"'nt])|(\\x[0-9a-fA-F]{2})|(\\u[0-9a-fA-F]{4})|.)'", String.Char),
+            (r'[~?][a-z][\w\']*:', Name.Variable),
+            (r'\S', Name.Builtin.Pseudo),
+        ],
+        'root': [
+            (words((
+                'import', 'renaming', 'hiding',
+                'namespace',
+                'local',
+                'private', 'protected', 'section',
+                'include', 'omit', 'section',
+                'protected', 'export',
+                'open',
+                'attribute',
+            ), prefix=r'\b', suffix=r'\b'), Keyword.Namespace),
+            (words((
+                'lemma', 'theorem', 'def', 'definition', 'example',
+                'axiom', 'axioms', 'constant', 'constants',
+                'universe', 'universes',
+                'inductive', 'coinductive', 'structure', 'extends',
+                'class', 'instance',
+                'abbreviation',
+
+                'noncomputable theory',
+
+                'noncomputable', 'mutual', 'meta',
+
+                'attribute',
+
+                'parameter', 'parameters',
+                'variable', 'variables',
+
+                'reserve', 'precedence',
+                'postfix', 'prefix', 'notation', 'infix', 'infixl', 'infixr',
+
+                'begin', 'by', 'end',
+
+                'set_option',
+                'run_cmd',
+            ), prefix=r'\b', suffix=r'\b'), Keyword.Declaration),
+            (r'@\[', Keyword.Declaration, 'attribute'),
+            (words((
+                '#eval', '#check', '#reduce', '#exit',
+                '#print', '#help',
+            ), suffix=r'\b'), Keyword),
+            include('expression')
+        ],
+        'attribute': [
+            (r'\]', Keyword.Declaration, '#pop'),
+            include('expression'),
+        ],
+        'comment': [
+            (r'[^/-]', Comment.Multiline),
+            (r'/-', Comment.Multiline, '#push'),
+            (r'-/', Comment.Multiline, '#pop'),
+            (r'[/-]', Comment.Multiline)
+        ],
+        'docstring': [
+            (r'[^/-]', String.Doc),
+            (r'-/', String.Doc, '#pop'),
+            (r'[/-]', String.Doc)
+        ],
+        'string': [
+            (r'[^\\"]+', String.Double),
+            (r"(?:(\\[\\\"'nt])|(\\x[0-9a-fA-F]{2})|(\\u[0-9a-fA-F]{4}))", String.Escape),
+            ('"', String.Double, '#pop'),
+        ],
+    }
+
+LeanLexer = Lean3Lexer