socket.connect(address) Connect to a remote socket at address. (The format of address depends on the address

inspect.iscoroutinefunction(object) Return true if the object is a coroutine function

exception ImportWarning Base class for warnings about probable mistakes in module imports.

ArgumentParser.add_mutually_exclusive_group(required=False) Create a mutually exclusive group. argparse will make

window.timeout(delay) Set blocking or non-blocking read behavior for the window. If delay is negative, blocking read

test.support.forget(module_name) Remove the module named module_name from sys.modules and delete any byte-compiled

class importlib.machinery.ExtensionFileLoader(fullname, path) A concrete implementation of importlib.abc.ExecutionLoader

write(s) Write the string s to the underlying file object, i.e. outfp passed to Generator‘s constructor

FileCookieJar.load(filename=None, ignore_discard=False, ignore_expires=False) Load cookies from a file. Old

class weakref.ref(object[, callback]) Return a weak reference to object. The original object can be retrieved by calling