human
Complete the below
def _collectWarnings(observeWarning, f, *args, **kwargs):

    ''''Call C{f} with C{args} positional arguments and C{kwargs} keyword arguments
    and collect all warnings which are emitted as a result in a list.
    @param observeWarning: A callable which will be invoked with a L{_Warning}
    instance each time a warning is emitted.
    @return: The return value of C{f(*args, **kwargs)}.'
    '''
assistant
#Here is the Python program you requested.
    def showWarning(message, category, filename, lineno, file=None, line=None):
        assert isinstance(message, Warning)
        observeWarning(_Warning(message.args[0], category, filename, lineno))
    for v in sys.modules.itervalues():
        if (v is not None):
            try:
                v.__warningregistry__ = None
            except:
                pass
    origFilters = warnings.filters[:]
    origShow = warnings.showwarning
    warnings.simplefilter('always')
    try:
        warnings.showwarning = showWarning
        result = f(*args, **kwargs)
    finally:
        warnings.filters[:] = origFilters
        warnings.showwarning = origShow
    return result