Introduction to python

Now you know what is python? if you missed then click here.

Lets know more about the programming language.

In the above picture there is a text file with extension of.py which is a convention to know that is a python file. When you will execute the file it will go through the python interpreter. Python code is converted into intermediate code, which has to be executed by a virtual machine,known as the PVM, the Python Virtual Machine.

Python Interactive shell:

If you install python then go to your command prompt type ‘python’,

If you not install python then follow this page where i explained how to install python?

Below is the windows command prompt.

C:\>python
Python 2.7.15 (v2.7.15:ca079a3ea3, Apr 30 2018, 16:30:26) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>

 

Below is the Linux shell:

:~$ python3
Python 3.8.2 (default, Jul 16 2020, 14:00:26)
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>

If you not installed python then you will get this below error.

:\>python
'python' is not recognized as an internal or external command,
operable program or batch file.

To solve this read how to install python?  from here.

Some useful posts in python you must go through:

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