run python script as command linux code example

Example 1: run python file using python code

exec(open('file.py').read())

Example 2: how to run a python script

# Save the script in a file with .py extension
# run the script using the below command
python fileName.py

Example 3: run python program from command line

# press [windows] + [R] (on windows only)
# use the command : cd/the_way_of_your_program
# and now use this command :

py the_name_of_your_program.py 

# don't forget to write the extension (py for python) 
# at the end of your program name

Example 4: to run python script in terminal i want to type python insted of python3

$ python --version
Python 2.7.6
$ python3 --version
Python 3.4.3
$ alias python=python3
$ python --version
Python 3.4.3