Dynamic calls in Python

dynamic.py

import sys

def say_something(text):
    print(f'I say: {text}...')

class simple:
    def hello(self, text):
        print(f'Hello, {text}!')
    @staticmethod
    def hello_again(text):
        print(f'Hello again, {text}!')

# function
# mode 1
func = getattr(sys.modules[__name__], 'say_something')
func('I love dynamic stuff')
# mode 2
func2 = locals()['say_something']
func2('I love dynamic stuff too')

# class
# mode 1
class_ = getattr(sys.modules[__name__], 'simple')
class_().hello('dynamic world')
class_.hello_again('dynamic world')
# mode 2
class2 = locals()['simple']
class2().hello('dynamic world!!')
class2().hello_again('dynamic world!!')