Python via phonology

const.py

# Abstract class ('phoneme')
class Consonant:
    # Class attributes assigned when initialised ('realised')
    def __init__(self, place_of_art, manner_of_art):
        self.place_of_art = place_of_art
        self.manner_of_art = manner_of_art
        
    def lenite(self):
        if self.manner_of_art == 'stop':
            self.manner_of_art = 'fricative'

        if self.manner_of_art == 'fricative':
            self.manner_of_art = 'approximant'

# Initialise/create object ('phone') from abstract class
b = Consonant("labial", "stop")
print(b.manner_of_art)

b.lenite()
print(b.manner_of_art)

b.lenite()
print(b.manner_of_art)