Add method del_column to delete a column in the table.

prettytable/prettytable.py

@@ -957,7 +957,19 @@ def del_row(self, row_index):
         if row_index > len(self._rows) - 1:
             raise Exception("Cant delete row at index %d, table only has %d rows!" % (row_index, len(self._rows)))
         del self._rows[row_index]
-
+
+    def del_column(self, column_index):
+        """Delete a column to the table
+
+        Arguments:
+        column_index - The index of the column you want to delete. Indexing starts at 0."""
+
+        if column_index > len(self._field_names) - 1:
+            raise Exception("Cant delete column at index %d, table only has %d columns!" % (column_index, len(self._field_names)))
+        else:
+            self._field_names.pop(column_index)
+            self._rows = [row[:column_index] + row[column_index+1:] for row in self._rows]
+
     def add_column(self, fieldname, column, align="c", valign="t"):
 
         """Add a column to the table.

tests/test_prettytable.py

@@ -343,6 +343,16 @@ def setUp(self):
         BasicTests.setUp(self)
         self.x.int_format = "04"
 
+class DelColumnTests(CityDataTest):
+    """Test del_column function"""
+    def testDelColumn(self):
+        self.x.del_column(3)
+        self.assertTrue(["City name", "Area", "Population"] == self.x.field_names)
+        string = self.x.get_string()
+        assert "600.5" not in string
+        assert "1146.4" not in string
+        assert "112" in string
+        assert "1714.7" not in string
 
 class FloatFormatBasicTests(BasicTests):
     """Run the basic tests after setting a float format string"""