Python Basics
Python Basics

Solve the problem that the Mac cannot successfully install pygame, cannot change the window background color, and does not display the spaceship image

... Grayson
schedule4 min read
Python Basics

56-Common methods of time-related modules

... Paige
schedule1 min read
Python Basics

90-Integrated Exercise: Backup Procedure

... Henry
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Python Basics

80-Comprehensive Exercises: Small Accounting Program

1. There are 10,000 yuan on hand when keeping accounts. 2. You can record the money spent, the money saved, and the income and expenditure detailsimport pickle import os import time def cost(wallet, record): # record the function of spending money amount = int(input('amount:')) comment = input('comment:') date = time.strftime('%Y-%m-%d') with open(wallet,'rb') as fobj: balance = pickle.load(fobj)-amount with open(wallet,'wb') as fobj: pickle.dump(balance, fobj) with open(record,'a') as fobj: fob

... Asher
schedule2 min read
Advanced Python
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Detailed tutorial on installing python3.6 under ubuntu1~16.04.9 (installation example on Tencent Cloud server)

... Camden
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trending_up Advanced Python

Python crawler Weibo friends circle code code analysis word cloud

... Sydney
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trending_up Advanced Python

Python Data Analysis Brief Book 7-day Popular Data Analysis 7-day Popular Articles Release Date Ranking

... Luis
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trending_up Advanced Python

Python data analysis one-element linear regression problem Python variance analysis conclusion

... Lily
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trending_up Advanced Python

WeChat friends' full avatars are directly above the code code analysis

... Nolan
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trending_up Advanced Python

Python data analysis of lock packing problem problem restatement problem analysis modeling and solution

... Calvin
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Python Web Development
Python Web Development

Python implements random forest to predict broadband customers off-grid (source data and code attached)

PrefaceCombined algorithm is also called integrated learning. In the financial industry or non-image recognition fields, the effect is sometimes even better than deep learning. It is the goal of this article to understand the basic principles and apply the code to actual business cases . This article will introduce in detail how to use Python to implement the classic method of random forest in integrated learning to predict the loss of broadband customers. It will be divided into two parts:Detai

... Aaron
schedule 15 min read
Python Web Development

Linux in the Two-dimensional World—A Glimpse of Station B of Touhou Project

>>>> 1. Touhou ProjectIf you have ever seen a black and white shadow painting called "Bad Apple!!", or noticed the words "Touhou Project" when listening to songs in various music communities, but have no idea what is behind it? So curiously asked in the comment section-"What anime is this? Where to follow?", but was met with cold reception and even ambiguous ridicule, and then reluctantly regarded it as a strange symbol. Then I hope this article will give you a chance to revisit this

... Brady
schedule 26 min read
Python Web Development

Kaggle builds a building block method to brush points: LB 0.11666 (top 15%)

Column❈ author: Wang Yong, the current interest in the project business analysis, Python, machine learning, Kaggle. 17 years in project management, 11 years in the communications industry, project managers in charge of contract delivery, and 6 years in the manufacturing industry. Project management: PMO, transformation, production transfer, liquidation and asset handling. MBA, PMI-PBA, PMP. ❈I participated in two Kaggle competitions, one is Titanic (classification) and the other is HousePrice (r

... Marcus
schedule 5 min read
Machine Learning
Machine Learning

Python show operation! Colleagues use Python to control the browser to run, attracting more girls!

There are many things Python can do, and the editor is also working hard to explore. Today I will share with you how to use Python to control the operation and operation of the browser!Well, there are roughly two ways about this, let me list them one by one:One, use the system's own library osWith this method, any browser can be used, but you can’t open the web pages one by one, right?Second, use the python integrated library webbroswerWith the support of the webbrowser module, the browser can b

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Machine Learning

Python learning entry to the master: the concept of strings

1. Creation of stringString is the most commonly used data type in python. We use it to process text content. The following code demonstrates the method of creating a string in 3str_1 ='python' str_2 = "python" str_3 = """python""" print(str_1, type(str_1)) print(str_2, type(str_2)) print(str_3, type(str_3)) Create a new script in pycharm. If this tutorial requires you to write code in an interactive interpreter, the default is to write code in pycharm.In the above code, I used single quotes, do

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Machine Learning

Use Python to crawl down all the girls on a certain website!

The name of this website is goddess. The goddesses in it are very beautiful and sexy, so today I use this website as an example.Ok, let's go directly to what everyone needs most: In the system environment, Windows can be usedJust install Python and pycharm. If you don’t have the software, you can privately write to the editor, as well as basic learning videos, etc.~ After the software is installed, enter cmd in the pop-up running window and press Enter to enter the cmd management interface. ente

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Machine Learning

Python learning entry to master: bool data type

1. Concept explanationThe bool data type has only two values, namely True and False.In the real world, true, correct, right, and positive. This group of words expresses a kind of affirmative meaning, and the corresponding ones are false, wrong, wrong, and negative. In the python language, True is equivalent to true, correct, correct, positive, and False is equivalent to false, wrong, wrong, negative.Follow my code in the interactive interpreter>>> 4> 3 True >>> 4> 6 False

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Machine Learning

Python learning entry to proficient: python hexadecimal conversion

The content of this article is a little bit difficult. If you are just a python enthusiast, you can ignore this tutorial. If you are a computer-related professional learner or practitioner, then I suggest you read it carefully.The number we usually use is decimal, and 1 is entered every 10, while the computer uses binary. In addition, sometimes you will encounter octal and hexadecimal. In fact, as long as you master the method, it is not difficult to understand these bases. The conversion betwee

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Machine Learning

To what extent can Python learn to interview for a job (answer)

Visiting Zhihu, see the post to what extent can I learn Python for job interviews? , In the answer of Taohua Island Master, we talked about the latest Python interview questions in 2019, and Xudong has already done most of the answers.Basic knowledgeList 5 commonly used Python standard libraries?import os import sys import re import math import time import datetime import random import threading import multiprocessing2. What are the built-in data types of Python?int, float, complex # numeric boo

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Machine Learning

Python learning entry to master: numeric data types

1. NumbersWhen we were very young, parents began to teach us to count, from 1 to 10, smart children can count more.Python supports 3 numeric typesInteger (int), usually called integer or integer. This concept is the same as the integer we learned in elementary school. Python3 has no size limit for integers.Floating point (float), floating point data consists of integer part and decimal partComplex number (complex), composed of real part and imaginary part, hardly used in programming2. Data TypeN

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