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#!/usr/bin/env python3
# Create a class
class Plant():
def __init__(self: 'Plant', name: str, height: float, age: int) -> None:
self.name_is = name
self._height_is = height
self._age_is = age
# Method to grow the age
def age(self: 'Plant') -> None:
self._age_is += 1
# Method to grow the height
def grow(self: 'Plant') -> None:
self._height_is *= 1.02
# Getter methods to access private properties
def get_age(self: 'Plant') -> int:
return self._age_is
def get_height(self: 'Plant') -> float:
return self._height_is
# Setter methods to modify properties
def set_age(self: 'Plant', age: int) -> None:
if age > 0:
self._age_is = age
print("Plant age was updated.")
else:
print("Plant age cannot be negative.")
def set_height(self: 'Plant', height: int) -> None:
if height > 0:
self._height_is = round(height)
print("Plant height was updated.")
else:
print("Plant height cannot be negative.")
# Method to show the plant information
def show(self: 'Plant') -> None:
print(self.name_is + ": " + str(round(self.get_height(), 1)) + "cm, "
+ str(self.get_age()) + " days old")
class Flower(Plant):
def __init__(self: 'Flower', name: str, height: int,
age: int, color: str) -> None:
super(). __init__(name, height, age)
self.color_is = color
self.isblooming = 0
def bloom(self: 'Flower') -> None:
self.isblooming = 1
def show(self: 'Flower') -> None:
super().show()
print(f" Color: {self.color_is}")
if self.isblooming == 1:
print(self.name_is + " is blooming beautifully!")
else:
print(self.name_is + " has not bloomed yet")
class Tree(Plant):
def __init__(self: 'Tree', name: str, height: int, age: int,
trunk_diameter: int) -> None:
super(). __init__(name, height, age)
self.trunk_diameter_is = trunk_diameter
self.is_producing_shade = 0
def produce_shade(self: 'Tree') -> None:
self.is_producing_shade = 1
print(self.name_is + " now produces a shade of "
+ str(self.get_height())
+ "cm long and "
+ str(round(self.trunk_diameter_is, 1))
+ "cm wide.")
def show(self: 'Tree') -> None:
super().show()
print(f" Trunk diameter: {self.trunk_diameter_is}cm")
class Vegetable(Plant):
def __init__(self: 'Vegetable', name: str, height: int, age: int,
harvest_season: str, nutritional_value: int) -> None:
super(). __init__(name, height, age)
self.harvest_season_is = harvest_season
self.nutritional_value_is = nutritional_value
def update_nutritional_value(self: 'Vegetable') -> None:
self.nutritional_value_is = 20
def show(self: 'Vegetable') -> None:
super().show()
print(f" Harvest season: {self.harvest_season_is}")
if self.get_age() >= 20:
self.update_nutritional_value()
print(f" Nutritional value: {self.nutritional_value_is}")
if __name__ == "__main__":
print("=== Garden Plant Types ===")
print("=== Flower")
rose = Flower("Rose", 5, 15, "red")
rose.show()
print("[asking the rose to bloom]")
rose.bloom()
rose.show()
print("=== Tree")
oak = Tree("Oak", 200, 365, 5)
oak.show()
print("[asking the oak to produce shade]")
oak.produce_shade()
print("=== Vegetable")
tomato = Vegetable("Tomato", 5, 10, "April", 0)
tomato.show()
print("[make tomato grow and age for 20 days]")
for _ in range(20):
tomato.age()
tomato.grow()
tomato.update_nutritional_value()
tomato.show()
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