What is a code interpreter? We will introduce its charm and how to use it!




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What is Code Interpreter? – Deepen your understanding of the programming world

 This time, let’s talk about “Code Interpreter”, a very important concept in programming. If you’re reading this article, you’re probably wanting a deeper understanding of “What is a Code Interpreter?” Then I will explain.

 

introduction

 First of all, in order to understand what a Code Interpreter is, it is necessary to understand programming languages ​​and how they are executed. A programming language is a tool for humans to give instructions to computers.

However, the code we write cannot be understood by a computer as it is. It needs to be converted into a form that the computer can understand (machine language). This is where the “compiler” and “interpreter” play a role.

 

What is Code Interpreter?

 A code interpreter is a mechanism that reads a program line by line and directly executes it. In other words, it converts the source code (original text of the program) into machine language line by line and immediately executes that line. The advantage of this method is that code changes take effect immediately and there is no need to compile the entire program.

However, since it executes line by line, the execution speed as a whole is often slower than the compiler method.

 On the other hand, the compiler translates the entire source code into machine language at once and then executes the resulting executable file. This speeds up execution speed, but has the disadvantage that code changes are not reflected immediately.

 

example

 Many programming languages, such as Python and JavaScript, use an interpreter to execute code. For example, you can use Python’s interactive shell to enter code line by line and get immediate results.

 

“`python
print(“Hello, World!”)
“`

 

 If you type the above code into the Python interpreter, it will immediately print “Hello, World!”. Thus, the interpreter reads the code line by line and returns the result immediately.

 

lastly

 The Code Interpreter is an important element in programming, and understanding it will deepen your understanding of programming. I hope this article helps you in your studies.

 

Related Links

1. Pythonの公式ドキュメンテーション

2. JavaScriptの公式ドキュメンテーション

3. コンパイラとは何か?

 

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