What's the Python 3 Equivalent of `execfile()`?

Alternative to execfile in Python 3

In previous versions of Python, execfile() provided a convenient way to load and execute external scripts. However, Python 3 discontinued this function, leaving many users wondering for an alternative solution.

Easy Script Loading in Python 3

To overcome the absence of execfile(), Python 3 offers a straightforward alternative: exec(open(file_name).read()). This syntax effectively reads the contents of the external script into a string, then executes it using the exec() function.

For example:

exec(open("./filename").read())

Documentation References

• [What’s New In Python 3.0](https://docs.python.org/3/whatsnew/3.0.html#whatsnew-3.0)
• [execfile](https://docs.python.org/2/library/functions.html#execfile)
• [exec](https://docs.python.org/3/library/functions.html#exec)

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