turtle.pen(pen=None, **pendict) Parameters: pen – a dictionary with some or all of the below listed keys pendict – one or more keyword-arguments with the below listed keys as keywords Return or set the pen’s attributes in a “pen-dictionary” with the following key/value pairs: “shown”: True/False “pendown”: True/False “pencolor”: color-string or color-tuple “fillcolor”: color-string or color-tuple “pensize”: positive number “speed”: number in range 0..10 “resizemode”: “auto” or “user” o

hash.update(arg) Update the hash object with the object arg, which must be interpretable as a buffer of bytes. Repeated calls are equivalent to a single call with the concatenation of all the arguments: m.update(a); m.update(b) is equivalent to m.update(a+b). Changed in version 3.1: The Python GIL is released to allow other threads to run while hash updates on data larger than 2047 bytes is taking place when using hash algorithms supplied by OpenSSL.

ftplib.all_errors The set of all exceptions (as a tuple) that methods of FTP instances may raise as a result of problems with the FTP connection (as opposed to programming errors made by the caller). This set includes the four exceptions listed above as well as OSError.

window.syncdown() Touch each location in the window that has been touched in any of its ancestor windows. This routine is called by refresh(), so it should almost never be necessary to call it manually.

class tkinter.ttk.Treeview bbox(item, column=None) Returns the bounding box (relative to the treeview widget’s window) of the specified item in the form (x, y, width, height). If column is specified, returns the bounding box of that cell. If the item is not visible (i.e., if it is a descendant of a closed item or is scrolled offscreen), returns an empty string. get_children(item=None) Returns the list of children belonging to item. If item is not specified, returns root children.

async_chat.get_terminator() Returns the current terminator for the channel.

sockets List of socket.socket objects the server is listening to, or None if the server is closed.

get_code(fullname) Return the code object for the specified module. Raise ZipImportError if the module couldn’t be found.

exception ssl.SSLSyscallError A subclass of SSLError raised when a system error was encountered while trying to fulfill an operation on a SSL socket. Unfortunately, there is no easy way to inspect the original errno number. New in version 3.3.

exception shutil.SameFileError This exception is raised if source and destination in copyfile() are the same file. New in version 3.4.