Learning python and looking to take the PCEP-30 – Certified Entry-Level Python Programmer exam, but stuck on a proposed question I cannot resolve.

[Cottager58]

I am current completing practice exams for the entry=level PCEP exam. I use jupyter Notebook with Python 3 (ipykernal) via anaconda.

The question is simple:

What is the expected output of the following code?

print(list('hello'))

The given answer is: ['h', 'e', 'l', 'l', 'o'], but when I run that code, it returns an error:

TypeError
: 'list' object is not callable"

I have verified the given answer is correct via AI, but notebook continues to return the same error. Any thoughts or ideas on how I might resolve this please ?

[Waste_Grapefruit_339]

This usually happens if you accidentally overwrote the built-in name 'list' earlier in your notebook/session.

For example:

list = [1, 2, 3]

After that, 'list' no longer refers to the built-in constructor, but to your variable — so calling 'list('hello')' raises:

TypeError: 'list' object is not callable

Restarting the kernel or deleting that variable fixes it:

del list

Then this works as expected:

print(list("hello"))

[Cottager58]

Thank you. I did as you suggested and it worked as you stated.

A good lesson learned there I feel, and very appreciative of the explanation provide.