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Basic Python syntax (1) introduction to Python Python basic grammar (2) Zen of Python Python basic syntax (3) use of miniconda Python basic syntax (4) install Python language based on CentOS7 source code Python basic syntax (5) numbers of basic types Python basic syntax (6) string of basic types Python basic syntax (7) list of basic types ...

catalogue 1. Problem description 2. Problem solving analysis 2.1 matrix representation of calendar of each month   2.2 handling of holidays and compensatory public holidays 2.3 find the maximum rectangle 2.3.1 violent search 2.3.2 sliding window search 3. Code and test 4. Postscript 1. Problem description   2. Problem solv ...

Explore conditional statements and loop statements in depth.Introduce list derivation. Although they are expressions, they work almost the same as conditional statements and loop statements.Finally, pass, del and exec are introduced. 5.1 talk about print and import again 5.1.1 printing multiple parameters # 1) Multiple expressions can be pri ...

Today's game update - Super Mary gorgeous Online 🎊 la How many people in "super Mary" still remember this classic game? I'm not familiar with the post-90s and post-00s, but I've seen it in my impression Mario with a beard in a hat and suspenders 🤣! ​ 🎞 This game went on sale in 1985 and became popular quickly because of its si ...

This paper summarizes the basic data types in python language, including (int,bool,str,list,tuple,set,dict,none,float) data type methods (unique functions, public functions). Although the content is numerous and cumbersome, you only need to remember the common knowledge points. (article 2W words, according to the directory index) Structure: & ...

Python has many powerful features that provide great flexibility when dealing with classes. Here, I'll show you five advanced techniques that can help you write better code. 1. Create a constant value Suppose we are creating a class Circle. We may need a method to calculate the area and a method to calculate the perimeter: class Circle() ...

My programming enlightenment is the c language. I also took java in the University and learned very little. Later, my programming homework mainly depends on python and c + +, but I haven't learned systematically. Generally, I look at other people's code and change it myself. If I don't understand it, I check it temporarily. In fact, the Univers ...

1, Format of list A list is an element wrapped in a pair of brackets, called a list. For variable data types, each data in the list is called an element. You can use subscripts to get and slice elements. 1. Define the format of the list: [element 1, element 2,..., element n] 2,t = [ ] 3. T = list (iteratable object) The elements in the list ca ...

Author: Leilei Chen Link: https://llchen60.com/ Eliminate duplicate code with annotation reflection/ 1.1 case scenario Assuming that the bank provides some API interfaces, the serialization of parameters is a little special. Instead of using JSON, we need to put the parameters together in turn to form a large string: 1) According to the ...

There are two main methods of feature extraction, one is word bag model, and the other is TF-IDF Model( term frequency-inverse document frequency,Word frequency and reverse file frequency) 1. Word bag model 1.1 word bag and word set There are two very important models for text feature extraction Word set model: a set of words. Naturally ...