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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _justCreateTable(self, tableClass):
 """ Execute the table creation DDL for an Item subclass. Indexes are *not* created. @type tableClass: type @param tableClass: an Item subclass """

        sqlstr = []
        sqlarg = []

        # needs to be calculated including version
        tableName = self._tableNameFor(tableClass.typeName,
                                       tableClass.schemaVersion)

        sqlstr.append("CREATE TABLE %s (" % tableName)

        # The column is named "oid" instead of "storeID" for backwards
        # compatibility with the implicit oid/rowid column in old Stores.
        sqlarg.append("oid INTEGER PRIMARY KEY")
        for nam, atr in tableClass.getSchema():
            sqlarg.append("\n%s %s" %
                          (atr.getShortColumnName(self), atr.sqltype))

        sqlstr.append(', '.join(sqlarg))
        sqlstr.append(')')
        self.createSQL(''.join(sqlstr))