18.104.22.168 Example Objects
A single interactive example, consisting of a Python statement and
its expected output. The constructor arguments are used to
initialize the member variables of the same names.
New in version 2.4.
Example defines the following member variables. They are
initialized by the constructor, and should not be modified directly.
A string containing the example's source code. This source code
consists of a single Python statement, and always ends with a
newline; the constructor adds a newline when necessary.
The expected output from running the example's source code (either
from stdout, or a traceback in case of exception). want
ends with a newline unless no output is expected, in which case
it's an empty string. The constructor adds a newline when
The exception message generated by the example, if the example is
expected to generate an exception; or
None if it is not
expected to generate an exception. This exception message is
compared against the return value of
ends with a newline unless it's
None. The constructor adds
a newline if needed.
The line number within the string containing this example where
the example begins. This line number is zero-based with respect
to the beginning of the containing string.
The example's indentation in the containing string, i.e., the
number of space characters that precede the example's first
A dictionary mapping from option flags to
False, which is used to override default options for this
example. Any option flags not contained in this dictionary are
left at their default value (as specified by the
By default, no options are set.
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