Sequence Types -- str, unicode, list, tuple, buffer, xrange

-

There are six sequence types: strings, Unicode strings, lists, tuples, buffers, and xrange objects.
This table lists the sequence operations sorted in ascending priority (operations in the same box have the same priority). In the table, s and t are sequences of the same type; n, i and j are integers:


from here

コメント

コメントを投稿

このブログの人気の投稿

What are sequence types in Python?

-
What is sequence a particular order in which related events, movements, or things follow each other. a set of related events, movements, or things that follow each other in a particular order. what are 6 built-in types of sequence in python In this Python Sequence Tutorial, we will discuss 6 types of Sequence: String, list, tuples, Byte sequences, byte array, and range object. What are sequence types in Python? There are seven sequence types: strings, Unicode strings, lists, tuples, bytearrays, buffers, and xrange objects. Dictionaries and sets are containers for sequential data. See the official python documentation on sequences: What are the sequence data types? Sequences allow you to store multiple values in an organized and efficient fashion. There are several sequence types: strings, Unicode strings, lists, tuples, bytearrays, and range objects. Dictionaries and sets are containers for non-sequential data. Enable Ginger Cannot connect to Ginger Check your in...
続きを読む

The Zen of Python

-
Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should be one-- and preferably only one --obvious way to do it. Although that way may not be obvious at first unless you're Dutch. Now is better than never. Although never is often better than *right* now. If the implementation is hard to explain, it's a bad idea. If the implementation is easy to explain, it may be a good idea. Namespaces are one honking great idea -- let's do more of those! The meaning of the 6th line is as follows. Sparse is better than dense. — In short, “don't try to stick too much code on one line.” [X] Although efficien...
続きを読む

Python Tkinter – ScrolledText Widget

-
イメージ
Tkinter is a built-in standard python library. With the help of Tkinter, many GUI applications can be created easily. There are various types of widgets available in Tkinter such as button, frame, label, menu, scrolledtext, canvas and many more. A widget is an element that provides various controls. ScrolledText widget is a text widget with a scroll bar. The tkinter.scrolledtext module provides the text widget along with a scroll bar. This widget helps the user enter multiple lines of text with convenience. Instead of adding a Scroll bar to a text widget, we can make use of a scrolledtext widget that helps to enter any number of lines of text. # Python program demonstrating # ScrolledText widget in tkinter import tkinter as tk from tkinter import ttk from tkinter import scrolledtext # Creating tkinter main window win = tk.Tk() win.title("ScrolledText Widget") # Title Label ttk.Label(win, text = "ScrolledText Widget Example insert"...
続きを読む