Logical

__and__	Boolean AND (__and__)
__invert__	Boolean inversion (__invert__)
__or__	Boolean OR (__or__)
__xor__	Boolean XOR (__xor__)
any	Indicates whether at least one value in a group is True.
all	Indicates whether every non-null value in a group is True.
is_in	Whether the value equals one of the given.
is_not_null	Indicates whether the value is not null.
is_null	Indicates whether the value is null.
fill_null	Replaces every null by the given value.
map	Replaces given values by other expressions.