apps.is_installed(app_name) Checks whether an application with the given name exists in the registry. app_name

Section contents In this section, we introduce the

PolynomialTransform class skimage.transform.PolynomialTransform(params=None)

importlib.util.module_from_spec(spec) Create a new module based on spec and spec.loader.create_module()

numpy.polynomial.legendre.legline(off, scl)

FileCookieJar.filename Filename of default file in which to keep cookies. This attribute may be assigned to.

MultiIndex.set_names(names, level=None, inplace=False)

socket.fileno() Return the socket’s file descriptor (a small integer), or -1 on failure. This is useful with

tty.setraw(fd, when=termios.TCSAFLUSH) Change the mode of the file descriptor fd to raw. If when is omitted

DataFrame.__iter__()