def get_colname(self, colnum):
if colnum < <NUM_LIT:0> or colnum > (len(self._colnames)-<NUM_LIT:1>):<EOL><INDENT>raise ValueError(<EOL>"<STR_LIT>" % (<NUM_LIT:0>, len(self._colnames)))<EOL><DEDENT>return self._colnames[colnum]<EOL>
Get the name associated with the given column number

parameters
----------
colnum: integer
    The number for the column, zero offset