Python: How to dynamically call a method/function given a string of its name

python-call-method-from-string.py

# Based on reading : http://stackoverflow.com/questions/7936572/python-call-a-function-from-string-name
#                    http://stackoverflow.com/questions/3061/calling-a-function-of-a-module-from-a-string-with-the-functions-name-in-python
class Foo(object):
  
    def dynamic_call(self, attribute_name):
        method_name = 'calculate_' + attribute_name # e.g. given attribute name "baz" call method "calculate_baz" 
        func = getattr(self, method_name)           # find method that located within the class
        func()                                      # execute the method