how to run python code in python

1exec(open('file.py').read())

1# Save the script in a file with .py extension
2# run the script using the below command
3python fileName.py

1command = "print('Hi World')
2exec(command)

1>>> print('Hello World!')
2
3>>> 2 + 5
47
5>>> print('Welcome to Real Python!')
6Welcome to Real Python!
7