_fields attribute of the namedtuple class from the Python collections module

Attribute Name:

_fields

A namedtuple instance enables creating new tuple types. Fields or elements of the tuples are given names.
The _fields attribute is a tuple of field names in a named tuple.

# Example Python program to print the field names of a namedtuple

import collections

def printErrorSchema(e):

print(e._fields)

def printError(e):

print(e.Error_Code);

print(e.Error_Description);

# Create a custom error

customerror = collections.namedtuple("Error", "Error_Code, Error_Description");

# Create customerror instances

e1 = customerror("101", "Unresolved external symbol");

e2 = customerror("102", "Type mistmatch");

# Print the last error created and look at the error schema

printError(e2);

printErrorSchema(e2);

102

Type mistmatch

('Error_Code', 'Error_Description')