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#!/usr/bin/env python3
# Create a class
class Plant():
# Create attributes of class Plant
def __init__(self: 'Plant', name: str, height: float, age: int) -> None:
if not all([name, age, height]):
self.anon()
else:
self.name_is = name
self._height_is = height
self._age_is = age
# instantiating an object of Stat by append brackets to Stat
self.stat = self.Stat()
# if None is passed as a parameter
def anon(self: 'Plant') -> None:
self.name_is = "Unknown plant"
self._height_is = 0
self._age_is = 0
self.stat = self.Stat()
# Create a nested class
class Stat:
def __init__(self) -> None:
# objects attributes
self._age_counter = 0
self._grow_counter = 0
self._show_counter = 0
self.produce_shade_counter = 0
def counter(self) -> None:
self._age_counter += 1
self._grow_counter += 1
self._show_counter += 1
self.produce_shade_counter += 1
# Method to grow the age
def age(self: 'Plant') -> None:
self._age_is += 1
self.stat._age_counter += 1
# Method to grow the height
def grow(self: 'Plant') -> None:
self._height_is *= 1.02
self.stat._grow_counter += 1
# 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.")
# static method does not take object
@staticmethod
def check_age(a) -> bool:
return a >= 365
# Method to show the plant information
def show(self: 'Plant') -> None:
print(f" {self.name_is}: {str(round(self.get_height(), 1))}cm,"
f" {str(self.get_age())} days old")
self.stat._show_counter += 1
@classmethod
def create_anonymous(cls) -> 'Plant':
return cls("Unknown plant", 0, 0)
def show(stat) -> None:
print(f" Stats: {stat._grow_counter} grow,",
f"{stat._age_counter} age,",
f"{stat._show_counter} show")
class Flower(Plant):
def __init__(self: 'Flower', name: str, height: int,
age: int, color: str) -> None:
super(). __init__(name, height, age)
# attributes
self.color = color
self.isblooming = 0
def bloom(self: 'Flower') -> None:
self.isblooming = 1
def show(self: 'Flower') -> None:
super().show()
print(f" Color: {self.color}")
if self.isblooming == 1:
print(f" {self.name_is} is blooming beautifully!")
else:
print(f" {self.name_is} has not bloomed yet")
class Seed(Flower):
def __init__(self: 'Seed', name: str, height: int,
age: int, color: str) -> None:
super(). __init__(name, height, age, color)
self.color = color
self.has_seed = 0
def show(self: 'Seed') -> None:
super().show()
if self.isblooming == 1:
self.has_seed = 42
print(f" Seeds: {self.has_seed}")
else:
print(" Seeds: 0")
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 = trunk_diameter
self.is_producing_shade = 0
def produce_shade(self: 'Tree') -> None:
self.is_producing_shade = 1
self.stat.produce_shade_counter += 1
print(f" {self.name_is} now produces a shade of,",
f"{str(self.get_height())}cm long",
f"and {str(round(self.trunk_diameter, 1))}cm wide.")
def show(self: 'Tree') -> None:
super().show()
print(f" Trunk diameter: {self.trunk_diameter}cm")
def stats(self: 'Tree') -> None:
print(f" Stats: {self.stat._grow_counter} grow,",
f"{self.stat._age_counter} age,",
f"{self.stat._show_counter} show,",
f"{self.stat.produce_shade_counter} shade")
class Vegetable(Plant):
def __init__(self: 'Vegetable', name: str, height: int, age: int,
harvest_season: int, 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 Statistics ===")
print("=== Check year-old")
rose = Flower("Rose", 5, 30, "red")
print(" Is 30 days more than a year?",
f"-> {Plant.check_age(30)}")
rose = Flower("Rose", 5, 400, "red")
print(" Is 400 days more than a year?",
f"-> {Plant.check_age(444)}")
print()
print("=== Flower")
rose = Flower("Rose", 5, 15, "red")
rose.show()
print(" [statistics for Rose]")
show(rose.stat)
print(" [asking the rose to grow and bloom]")
rose.bloom()
rose.grow()
rose.show()
print(" [statistics for Rose]")
show(rose.stat)
print()
oak = Tree("Oak", 200, 365, 5)
print("=== Tree")
oak.show()
print(" [statistics for Oak]")
oak.stats()
print(" [asking the oak to produce shade]")
oak.produce_shade()
print(" [statistics for Oak]")
oak.stats()
print()
print("=== Seed")
sunflower = Seed("Sunflower", 80, 45, "yellow")
sunflower.show()
print(" [statistics for Sunflower]")
show(sunflower.stat)
print(" [make sunflower grow, age and bloom]")
sunflower.grow()
sunflower.bloom()
sunflower.age()
sunflower.show()
show(sunflower.stat)
print()
print("=== Anonymous")
anonymous = Plant.create_anonymous()
anonymous.show()
print(" [statistics for Unknown plant]")
show(anonymous.stat)
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