is_deleting_columns_allowed property

Represents if the deletion of columns is allowed on a protected worksheet.

The columns containing the cells to be deleted must be unlocked when the sheet is protected, and “Select unlocked cells” option must be enabled.

@property
def is_deleting_columns_allowed(self):
    ...
@is_deleting_columns_allowed.setter
def is_deleting_columns_allowed(self, value):
    ...