Add support for operator & in class Expression.

Author: zhangbowen-coder

pandas/core/col.py

@@ -37,6 +37,8 @@
     "__lt__": "<",
     "__eq__": "==",
     "__ne__": "!=",
+    "__and__" : "&",
+    "__rand__" : "&",
 }
 
 
@@ -156,6 +158,10 @@ def __mod__(self, other: Any) -> Expression:
 
     def __rmod__(self, other: Any) -> Expression:
         return self._with_binary_op("__rmod__", other)
+    def __and__(self, other: Any) -> Expression:
+        return self._with_binary_op("__and__", other)
+    def __rand__(self, other: Any) -> Expression:
+        return self._with_binary_op("__rand__", other)
 
     def __array_ufunc__(
         self, ufunc: Callable[..., Any], method: str, *inputs: Any, **kwargs: Any