# lines of code calculator

Discover lines of code calculator, include the articles, news, trends, analysis and practical advice about lines of code calculator on alibabacloud.com

Related Tags:

### Python uses only 40 lines of code to write a calculator instance, and python40 lines

Python uses only 40 lines of code to write a calculator instance, and python40 lines This example describes a calculator written in Python with only 40 lines of code. We will share this

### Python + tkinter use 80 lines of code to implement a calculator instance, tkinter80 lines

Python + tkinter use 80 lines of code to implement a calculator instance, tkinter80 lines This article describes how to use Python + tkinter to program a simple calculator code example. If you don't talk about it, go straight to

### 80 lines of code use Python + tkinter to implement a calculator, 80 lines of tkinter

80 lines of code use Python + tkinter to implement a calculator, 80 lines of tkinter If you don't talk about it, go straight to the topic. We recommend that you repeat the code and try out the code reuse, use the string method, a

### Use only 50 lines of code to implement a Python calculator tutorial

This article describes how to use only 50 lines of code to implement a calculator written in Python. it mainly uses the PlyPlus library to make the core code very simple. For more information, see Introduction In this article, I will show you how to parse and calculate a four arithmetic expression just like a general

### Use 50 lines of Python code to create a calculator

Use 50 lines of Python code to create a calculatorIn this article, I will show you how to parse and calculate a four-digit arithmetic expression just like a common calculator. When we end, we will get a calculator that can process expressions such as 1 + 2 *-(-3 + 2)/5.6 + 3. Of course, you can also expand it more powe

Trending Keywords：

### A tutorial to implement a Python-written calculator in just 50 lines of code

basically ' lambda x,y:x+y '. OK, now let's run this code to check the results. >>> Calc (). Transform (G.parse (' 1 + 2 *-( -3+2)/5.6 + 30 ')) 31.357142857142858 What about eval ()? 7 >>>eval (' 1 + 2 *-( -3+2)/5.6 + 30 ') 31.357142857142858 Succeeded:)Last step: REPL For the sake of beauty, we wrap it up in a nice calculator REPL: Defmain (): calc=calc () whiletrue: try: s=raw_input (' > ')

### Tutorial for a python-written calculator with only 50 lines of code _python

Each method corresponds to a rule. If the method does not exist, the __default__ method is invoked. We omitted Start,add_symbol and Mul_symbol, because they would only return their own branches. I used float () to parse the numbers, which is a lazy way, but I can do it with a parser. To keep the statement clean, I used the operator module. For example, add is basically ' lambda x,y:x+y ' or something like that. OK, now let's run this code to

### Make a calculator with 50 lines of Python code

take a look at the concrete implementation. >>>importoperator as Op >>>fromplyplusimportstransformer Classcalc (Stransformer): Def_bin_operator (Self, exp): Arg1, Operator_symbol, Arg2=exp.tail operator_func={' + ': Op.add, '-': op.sub, ' * ': Op.mul, '/': Op.div}[operator_symbol] Returnoperator_func (Arg1, arg2) Number =lambdaself, Exp:float (Exp.tail[0]) Neg =lambdaself, exp:-exp.tail[0] __default__=lambdaself, Exp:exp.tail[0] Add=_bin_operator Mul=_bin_operator Each method corresponds

### 50 lines of Python code to create a calculator

a look at the specific implementation. >>>importoperatorasop >>>fromplyplusimportSTransformer classCalc(STransformer): def_bin_operator(self,exp): arg1,operator_symbol,arg2=exp.tail operator_func={'+':op.add, '-':op.sub, '*':op.mul, '/':op.div}[operator_symbol] returnoperator_func(arg1,arg2) number=lambdaself,exp:float(exp.tail[0]) neg=lambdaself,exp:-exp.tail[0] __default__=lambdaself,exp:exp.tail[0] add=_bin_operator mul=_bin_

### Calculator written with 40 lines of pythoncode

Calculator written with 40 lines of pythoncodeOccasionally writing something in a script is also good. Code From tkinter import * reset = Truedef buttonCallBack (event): global label global reset num = event. widget ['text'] if num = 'C': label ['text'] = "0" return if num in "= ": label ['text'] = str (eval (label ['text']) reset = True return s = label ['text']

### Simple JS calculator implementation code and js calculatorcode

Simple JS calculator implementation code and js calculator code Look at the calculators in your cell phone. They are divided into common calculators and scientific calculators. If you think your head is not big enough, you can implement a normal version (supporting basic continuous operations such as positive, negativ

### Python Statistics code Total rows (lines of code, blank lines, comment lines)

In the process of working or learning code, we often want to know how many lines of code we have written, and today we write a script in the project environment to count the number of project code.Function:1. Total number of statistics code rows2. Counting Empty rows3. Count the number of comment

### Given a source code file (. cs,. java), output the total number of rows in the file, the number of empty lines, the number of comment lines, the number of lines of code

(Line.endswith ("*/")) {comment = false; }} else if (Line.startswith ("//")) {commentlines++; } else {normallines++; }}} catch (IOException e) {e.printstacktrace (); }} catch (FileNotFoundException e) {e.printstacktrace (); } finally {if (BR! = null) {try {System.out.println ("blank line number : "+whitelines); System.out. println ("Number of comment line

### Given a source code file (. cs,. java), output the total number of rows in the file, the number of empty lines, the number of comment lines, the number of lines of code

public class Computesourceline {public static void main (string[] args) throws FileNotFoundException {//TODO auto-generate D method stub//defines the relevant variable int totalline = 0;int Emptyline = 0;int Commentline = 0;int CodeLine = 0;//We all focus on the scanner class (network search) and The use of the string class (textbook P75 and the Network)//path to the file string strfilename;//using the command line, if there is a command line argument, the file name is obtained from the outside

### Implementation Code for drawing dotted lines and evenly distributed dotted lines in ichart. js, and ichart. js dotted lines

Implementation Code for drawing dotted lines and evenly distributed dotted lines in ichart. js, and ichart. js dotted lines Implementation Code of the dotted line and evenly distributed dotted line drawn by ichart. js Var Data = new Array (); Data [0] = {labels: ["unit 1", "

### Pure javascript code to implement the calculator function (three methods), javascript Calculator

Pure javascript code to implement the calculator function (three methods), javascript Calculator Today, I will share with you a calculator program written in pure javascript code, which can be used in many industries, such as renovation budget and loan interest rates. First,

### Generate QR code for 11 lines of JS Code and 11 lines of js Code

Generate QR code for 11 lines of JS Code and 11 lines of js Code HTML code: Related JS Code: /*** Generate a QR code * data-width = {width}

### Using 70 lines of Python code to implement a recursive descent parser tutorial, 70 lines of python

Using 70 lines of Python code to implement a recursive descent parser tutorial, 70 lines of python Step 1: Tagging The first step in processing an expression is to convert it to a list containing independent symbols. This step is very simple and not the focus of this article, so I have omitted a lot here.First, I define some tags (numbers are not in this box, the

### View the right value reference from four lines of code, and the right value reference from four lines of code

View the right value reference from four lines of code, and the right value reference from four lines of codeView overview of right value reference from four lines of code The concept of right value reference may be unfamiliar to some readers. In fact, it is similar to the r

### Starting from rebuilding 3000 lines of code into 15 lines of code

If you think this is a title party, I sincerely ask you to read the first part of the article and draw conclusions. If you think you can stamp your G point, click like.Refactor three thousand lines of code into 15 linesI just graduated from the company that year. The company is engaged in data center environment monitoring, which is filled with embedded, precision air conditioners, bus, RFID concepts, I do

Related Keywords:
Total Pages: 15 1 2 3 4 5 .... 15 Go to: Go

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

## A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

• #### Sales Support

1 on 1 presale consultation

• #### After-Sales Support

24/7 Technical Support 6 Free Tickets per Quarter Faster Response

• Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.