Python Basic Knowledge II

One: Formatted outputExisting practice needs, ask the user's name, age, work, hobbies, and then print into the following format------------info of Alex Li------Name : Alex LiAge : 22Job : TeacherHobbie:girl-------------End-----------------The

Python Strip () method

DescribeThe Python Strip () method removes the character specified by the string's Kinsoku (the default is a space).GrammarStrip () method syntax:Str.strip ([chars]);ParametersChars--Removes the character specified by the tail of the string.return

Python 1.19

Python IntroductionThe founder of Python is Guido van Rossum (Guido van Rossum). 1989 Christmas period, Guido van Rossum (Chinese name: Uncle Turtle) in order to pass time in Amsterdam, determined to develop a new script interpreter, as an

Python reads data from the. Mat file

First import scipy package from scipy.io import loadmatThen read m = Loadmat ("f:/__identity/activity/paper/data/d001.mat")Notice here that M is a DICT data structure>>>m{'__header__': b'MATLAB 5.0 mat-file, Platform:pcwin, Created on:mon -22:16:43

The @property in Python

@property can access a Python-defined function as a property, providing a more friendly way to access it, but sometimes setter/getter is needed.classpeople:def __init__(self,name,weight,height): Self.__name=name Self.weight=Weight Self.height=Height

Working with Chinese characters in a Python string

#-*-coding:utf-8-*-import sys,ostxta = open (' A.txt ', ' r ') str = ' for line ' txta: str + = Line.strip (). Decode (' Utf-8 ') Txta.close () for word in str: print word.encode (' Utf-8 ')Direct output, it will be garbled, the first to

Python mid---02 functional programming

Function-Type programming函数是Python内建支持的一种封装,而函数式编程通俗说来就是把函数本身作为参数传入另一个函数,允许返回一个函数。 The function name is also a variable, and can be assigned a value. If the function name is assigned to a different value, it no longer points to the original.

Day5-python Learning Notes (ix) JSON data type

Import JSON#json串就是字符串.D = { ' car ': {' color ': ' Red ', ' price ': +, ' count ': 50}, ' Feces fork ': {' color ': ' Red ', ' price ': +, ' count ': 50}, ' Feces fork 1 ': {' color ': ' Red ', ' price ': +, ' count ': 50}, ' Feces Fork 2 ':

python--built-in properties

I. Common built-in properties Common proprietary Properties Description Trigger Mode __init__ construct initialization function After creating an instance, when assigning values, after

Python Getting Started notes

(from the small turtle 0 Basic Beginner Learning python)To learn python, you can go through the contents of the Rookie tutorial: http://www.runoob.com/python3/python3-basic-syntax.htmlIf you want to know how many built-in functions (BIF) Python has,

Python Learning-basic knowledge of classes

#!/usr/bin/env python#-*-coding:utf-8-*-#Author linux kuclassDog ():def __init__(self, name): Self.name=namedefBulk (self):Print("%s:wang Wang wang!"%self.name) Dog1= Dog ("Dog1") dog2= Dog ("dog2") Dog1.bulk () Dog2.bulk ()classRole (object):#class

Python to buy beer (2 yuan a bottle, 4 caps for a bottle, 2 bottles for a bottle)

Weekend to do nothing, see the group interactive answer, just these two days in self-study python, by the way practice grammar.Title: Beer 2 Yuan a bottle, 4 caps for a bottle, 2 bottles for a bottle, ask 10 yuan can drink a few bottles?The first

Python Mail send

#!/usr/bin/env python#-*-Coding:utf-8-*-# @Time: 2018-01-15 20:40# @Author: HHJ# @Site:# import Collections#Import SmtplibFrom Email.mime.textImport Mimetext# from Email.utils import formataddrImport SysDEF Mail (cont):RET =TrueTrymsg = Mimetext

Python Learning route-Query notes

Learning route Some places do not follow the order, some places forget not to write, after the opportunity will slowly fill up, projects, etc. I concluded will also upload, thank youQuery DirectoryOne, hardware 11, databaseSecond, Linux basic 12,

12th Day Python Learning record

1Iphone7 = ['Alex','Rain','Jack','Old_driver']2Iphone8 = ['Alex','Shanshan','Jack','Old_boy']3 4Both_list = []5 6 forNameinchIphone8:7 ifNameinchIphone7:8 both_list.append (name)9 Print(both_list)Data Type---CollectionA collection is an

Python Learning Website recommendation, python website recommendation

Python Learning Website recommendation, python website recommendation Site B is the best free Python learning website I have ever seen. Dark Horse programmer- Https://space.bilibili.com/37974444? Spm_id_from = 333.338.viewbox _ report.6 #/ Linux

[Python study notes, python Study Notes

[Python study notes, python Study Notes The built-in Dictionary of Python is implemented using hash table. Here we just implement our own hash table to deepen our understanding of hash table and hash functions. [Concept 1: Mapping )] The dictionary

Python + matplotlib to plot scatter plots of different sizes and colors, pythonmatplotlib

Python + matplotlib to plot scatter plots of different sizes and colors, pythonmatplotlib Scatter Plot with different colors and sizes. Demo result: Implementation Code: import numpy as npimport matplotlib.pyplot as pltimport matplotlib.cbook as

Create a basic process for Django. Create a process for Django

Create a basic process for Django. Create a process for DjangoDjango creation process 1. Create a project: django-admin startproject project name 2. Create an application: python manage. py startapp Application name 3. Activate the project: Modify

Eval functions and eval Functions

Eval functions and eval Functions Eval Function: Evaluate a string 'str' as a valid expression and return the calculation result. Syntax: eval (source [, globals [, locals])-> value Parameters: Source: Code object returned by a Python

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