How Can I Replace the Deprecated `execfile()` Function in Python 3?

Alternative to execfile in Python 3

In Python 3, the convenient execfile() function has been deprecated. This has raised concerns among developers who relied on its ability to execute external scripts.

Question:

It seems that Python 3 has eliminated all the easy options for swiftly loading a script, such as execfile(). Am I overlooking a simple solution?

Answer:

Fortunately, there is an alternative method:

To replace:

execfile("./filename")

With:

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

Further Information:

Refer to the following resources for additional details:

• [What's New In Python 3.0](https://www.python.org/dev/peps/pep-03104/)
• [execfile](https://docs.python.org/2/library/functions.html#execfile)
• [exec](https://docs.python.org/3/library/functions.html#exec)

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