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Jul 14, 2018 · Since Python is open source you can read the source code. To find out what file a particular module or function is implemented in you can usually print the __file__ attribute. Alternatively, you may use the inspect module, see the section Retrieving Source Code in the documentation of inspect.
- Introduction to CPython. When you type python at the console or install a Python distribution from python.org, you are running CPython. CPython is one of the many Python runtimes, maintained and written by different teams of developers.
- The Python Interpreter Process. Now that you’ve seen the Python grammar and memory management, you can follow the process from typing python to the part where your code is executed.
- The CPython Compiler and Execution Loop. In Part 2, you saw how the CPython interpreter takes an input, such as a file or string, and converts it into a logical Abstract Syntax Tree.
- Objects in CPython. CPython comes with a collection of basic types like strings, lists, tuples, dictionaries, and objects. All of these types are built-in.
- Source Code Example
- How Does Source Code Work?
- Why Is Source Code Important?
- Alternatives to Writing Source Code
One of the simplest programs out there, and one that’s familiar to almost anyone with experience in programming is the “Hello, World!” program, which simply outputs (or displays) the message “Hello, World!” when executed. We often use a “Hello, World!” program when teaching; it is typically the first thing a student learns when studying programming...
Even if you have no experience in programming, you can easily understand the above examples of the “Hello, World!” program. When a programmer executes “Hello World,” the program executes line-by-line, top-to-bottom and left-to-right, just as if you were reading English. Even though the C++ “Hello, World!” program contains some syntax that might see...
The most important aspect of source code is that it provides the basic foundation for creating software. This feature of source code extends to other use cases as well. For example, source code allows for editing, customizing or developing the software further. These tasks would be impossible (or at least much harder) without the source code, even ...
You might think that writing source code is the only way to create a program. However, there now exist other alternatives to programming as well. These alternatives include visual programming tools that allow programmers to create software visually. Often this means the program uses block diagrams of some sort to display the program’s flow or behav...
Source code is the fundamental component of a computer program that is created by a programmer, often written in the form of functions, descriptions, definitions, calls, methods and other operational statements. It is designed to be human-readable and formatted in a way that developers and other users can understand.
Source code is the set of instructions that a programmer writes to create software. Every instruction (also known as an algorithm) is written in a specific programming language, such as Python, HTML, C++, or Java. Source code is like a detailed recipe for computers to follow.
Source code is what we call the human-readable computer instructions written by programmers. It's written in plain texts. We write it without special formatting, like bold,...
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5 days ago · Python source code is compiled into bytecode, the internal representation of a Python program in the CPython interpreter. The bytecode is also cached in .pyc files so that executing the same file is faster the second time (recompilation from source to bytecode can be avoided).
