What is the IDE?Novice with which the IDE is better?

IDE (Integrated Development Environment), the full name is Integrated Development Environment, is an application used to provide a program development environment, generally including code editors, compilers, debuggers and graphical user interfaces and other tools.It is an integrated development software service suite that integrates code writing functions, analysis functions, compilation functions, and debugging functions.All software or software suites (groups) with this feature can be called integrated development environments.Common IDE tools are Pycharm, Visual Studio Code and so on.

For the Python IDE, I recommend PyCharm. Compared with other IDEs, PyCharm has the following four advantages:

•Concise code editing environment

•Powerful smart code assist functions (smart code completion, code checking, real-time error highlighting)

•Rich built-in developer tools (VCS, database, remote development, debugging, testing, performance analysis...)

•Complete web development and data science support (Django, Flask, JS, notebook, pandas...)

Editor

Editor, usually short for text editor.Notepad in Windows is a text editor.For example, if you create a new .txt text file, write python code in it, and directly change the suffix name to .py after saving, the program can still be compiled and run.

Compiler

The compiler is what runs your program code.With the compiler, the program can run.Let's see how a program should behave in a compiler-only environment.

$ python helloworld.py

Python combines the two processes of compilation and interpretation into one command, thus reducing one line, but it is still two processes.The compiled file is a .pyc file or a .pyo file. The .pyc file is a file generated by ordinary compilation, which can be generated by python -m py_compile helloworld.py; the .pyo file is a Python file generated after adding optimization options, which can be generated by python-O -m py_compile helloworld.py command generated.

Interpreter

Python is an interpreted language, and the interpreter is an essential tool for Python to run.Therefore, when we build a Pyhton environment, we essentially configure or customize Pyhton.

While an interpreter is system software capable of executing programs written in other computer languages, it is a translation program.Its execution method is to execute while translating, so its execution efficiency is generally low, but the implementation of the interpreter is relatively simple, and the high-level language in which the source program is written can use a more flexible and expressive syntax.

When we write Python code, what we get is a text file with a .py extension containing the Python code.To run the code, the Python interpreter is required to execute the .py file.

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