configparser module, when use text file to show following error

[mbilalshafiq]

import configparser

config = configparser.ConfigParser()
#config.read("E:\\My Folders\\Alnafi\\AlNafi\\configparser_Ex3.ini") # when we use .ini file then out put is ok
config.read_file("E:\\My Folders\\Alnafi\\AlNafi\\configparser_Ex3.txt")
config.sections()

Error:
MissingSectionHeaderError: File contains no section headers.
file: '<???>', line: 1
'E'

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