Calling a function from external file with dynamic module name

Question

I have a main file called gui.py

I have multiple solution files in ./solutions each called "problem_" + num + .py (ex: problem_1.py)

I need to call a method from a solution file based on user input of the problem number. Thererfore I need to:

1. Record the user integer input (1,2,3 etc...) (ex. 1)
2. Make sure the correct module is imported (ex. from solutions.problem_1 import *)
3. call the method in the imported file (ex. solutions.problem_1.sol_1_text())

How could I achieve this dynamic method call from an external module?

I've tried:

# FOLLOWING CODE NEEDS TO BE DYNAMIC
from solutions.problem_1 import *
method_to_call = getattr(solutions.problem_1, 'sol_1_text')
result = getattr(solutions.problem_1, 'sol_1_text')()

for a full look at the GUI code https://github.com/spicyNoodles15/PyProjectEuler/blob/main/gui.py

---

SOLVED

I was able to solve this by creating the dynamic string and then using the exec() method

exec('solutions.problem_' + values['-INPUT-'] + '.solution()')