#16085: Don't promote shadowing builtins in the configparser example.

Doc/library/configparser.rst

@@ -770,9 +770,9 @@ An example of writing to a configuration file::
    # values using the mapping protocol or ConfigParser's set() does not allow
    # such assignments to take place.
    config.add_section('Section1')
-   config.set('Section1', 'int', '15')
-   config.set('Section1', 'bool', 'true')
-   config.set('Section1', 'float', '3.1415')
+   config.set('Section1', 'an_int', '15')
+   config.set('Section1', 'a_bool', 'true')
+   config.set('Section1', 'a_float', '3.1415')
    config.set('Section1', 'baz', 'fun')
    config.set('Section1', 'bar', 'Python')
    config.set('Section1', 'foo', '%(bar)s is %(baz)s!')
@@ -790,13 +790,13 @@ An example of reading the configuration file again::
 
    # getfloat() raises an exception if the value is not a float
    # getint() and getboolean() also do this for their respective types
-   float = config.getfloat('Section1', 'float')
-   int = config.getint('Section1', 'int')
-   print(float + int)
+   a_float = config.getfloat('Section1', 'a_float')
+   an_int = config.getint('Section1', 'an_int')
+   print(a_float + an_int)
 
    # Notice that the next output does not interpolate '%(bar)s' or '%(baz)s'.
    # This is because we are using a RawConfigParser().
-   if config.getboolean('Section1', 'bool'):
+   if config.getboolean('Section1', 'a_bool'):
        print(config.get('Section1', 'foo'))
 
 To get interpolation, use :class:`ConfigParser`::