GeezerVison

>>> 1 & & 2
  File "<python-input-1>", line 1
    1 & & 2
      ^^^
SyntaxError: invalid syntax.  Maybe you meant 'and' or '&' instead of '&&'?

aniket@DESKTOP-074O80J:/mnt/d/cpython/cpython$ git diff Grammar/python.gram
diff --git a/Grammar/python.gram b/Grammar/python.gram
index c45e2f3a28..823af82397 100644
--- a/Grammar/python.gram
+++ b/Grammar/python.gram
@@ -1642,7 +1642,19 @@ invalid_type_params:
             "Type parameter list cannot be empty")}

 invalid_bitwise_and:
-    | a=bitwise_and b='&' c='&' { RAISE_SYNTAX_ERROR_KNOWN_RANGE(b, c, "invalid syntax.  Maybe you meant 'and' or '&' instead of '&&'?") }
+    | a=bitwise_and b='&' c='&' {
+        (b->end_lineno == c->lineno)
+        ? ((b->end_col_offset == c->col_offset)
+            ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(b, c, "invalid syntax.  Maybe you meant 'and' or '&' instead of '&&'?")
+            : NULL)
+        : NULL
+    }

 invalid_bitwise_or:
-    | a=bitwise_or b='|' c='|' { RAISE_SYNTAX_ERROR_KNOWN_RANGE(b, c, "invalid syntax.  Maybe you meant 'or' or '|' instead of '||'?") }
+    | a=bitwise_or b='|' c='|' {
+        (b->end_lineno == c->lineno)
+        ? ((b->end_col_offset == c->col_offset)
+            ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(b, c, "invalid syntax.  Maybe you meant 'or' or '|' instead of '||'?")
+            : NULL)
+        : NULL
+    }

aniket@DESKTOP-074O80J:/mnt/d/cpython/cpython$ ./python.exe -c "1 && 2"
  File "<string>", line 1
    1 && 2
      ^^
SyntaxError: invalid syntax.  Maybe you meant 'and' or '&' instead of '&&'?
aniket@DESKTOP-074O80J:/mnt/d/cpython/cpython$ ./python.exe -c "1 & & 2"
  File "<string>", line 1
    1 & & 2
        ^
SyntaxError: invalid syntax
aniket@DESKTOP-074O80J:/mnt/d/cpython/cpython$ ./python.exe -c "1 || 2"
  File "<string>", line 1
    1 || 2
      ^^
SyntaxError: invalid syntax.  Maybe you meant 'or' or '|' instead of '||'?
aniket@DESKTOP-074O80J:/mnt/d/cpython/cpython$ ./python.exe -c "1 | | 2"
  File "<string>", line 1
    1 | | 2
        ^
SyntaxError: invalid syntax

invalid_bitwise_and:
   | a=bitwise_and b='&' c='&' {
        (b->end_lineno == c->lineno && b->end_col_offset == c->col_offset)
        ? RAISE_SYNTAX_ERROR_KNOWN_RANGE(b, c, "invalid syntax.  Maybe you meant 'and' or '&' instead of '&&'?")
        : NULL
    }

lude    -DPy_BUILD_CORE -o Parser/parser.o Parser/parser.c
Parser/parser.c: In function ‘invalid_bitwise_and_rule’:
Parser/parser.c:28511:77: warning: comparison between pointer and integer
28511 |             _res = ( b -> end_lineno == c -> lineno & & b -> end_col_offset == c -> col_offset ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( b , c , "invalid syntax.  Maybe you meant 'and' or '&' instead of '&&'?" ) : NULL;
      |                                                                             ^~
Parser/parser.c:28511:38: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]
28511 |             _res = ( b -> end_lineno == c -> lineno & & b -> end_col_offset == c -> col_offset ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( b , c , "invalid syntax.  Maybe you meant 'and' or '&' instead of '&&'?" ) : NULL;
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
Parser/parser.c: In function ‘invalid_bitwise_or_rule’:
Parser/parser.c:28560:77: warning: comparison between pointer and integer
28560 |             _res = ( b -> end_lineno == c -> lineno & & b -> end_col_offset == c -> col_offset ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( b , c , "invalid syntax.  Maybe you meant 'or' or '|' instead of '||'?" ) : NULL;
      |                                                                             ^~
Parser/parser.c:28560:38: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses]
28560 |             _res = ( b -> end_lineno == c -> lineno & & b -> end_col_offset == c -> col_offset ) ? RAISE_SYNTAX_ERROR_KNOWN_RANGE ( b , c , "invalid syntax.  Maybe you meant 'or' or '|' instead of '||'?" ) : NULL;
      |                      ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~