Rodrigo's problem

# Module: main.py

import os

if __name__ == "__main__":
    chosen_function = "f1"
    if os.path.isfile(chosen_function + ".py"):
        _module = __import__(chosen_function, globals(), locals(), [chosen_function], 0)
        _module.f1()

# Module: f0.py

def f0():
    print("Hi, I'm f0, and I'm a function inside f0.py")

# Module f1.py

def f1():
    print("Hi, I'm f1, and I'm a function inside f1.py")

# Module f2.py

def f2():
    print("Hi, I'm f2, and I'm a function inside f2.py")