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LAB Object-Oriented Programming (OOP) in Python - Done #94

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LAB Object-Oriented Programming (OOP) in Python - Done #94

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77 changes: 54 additions & 23 deletions lab-oop_in_python.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -30,13 +30,24 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 1,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"130 0\n"
]
}
],
"source": [
"# Your code here\n",
"class Vehicle:\n",
" # Hint: Define __init__ method with parameters for max_speed and mileage\n",
" def __init__(self, max_speed = 130, mileage= 0):\n",
" self.max_speed = max_speed\n",
" self.mileage = mileage\n",
" pass\n",
"\n",
"# Example instantiation\n",
Expand All @@ -56,7 +67,7 @@
},
{
"cell_type": "code",
"execution_count": 2,
"execution_count": null,
"metadata": {},
"outputs": [
{
Expand All @@ -69,7 +80,7 @@
],
"source": [
"# Your code here\n",
"class Vehicle:\n",
"class Vehicle: # Here the class is empty : no method, no attribute needed\n",
" pass\n",
"\n",
"# Example instantiation\n",
Expand All @@ -87,7 +98,7 @@
},
{
"cell_type": "code",
"execution_count": 3,
"execution_count": null,
"metadata": {},
"outputs": [
{
Expand All @@ -100,12 +111,17 @@
],
"source": [
"# Your code here\n",
"class Vehicle: # Base class with one attribute and a default name\n",
" def __init__(self, name = \"Magic car\"): # Initializes a vehicle with a default name \"Magic car\"\n",
" self.name = name\n",
"\n",
"class Bus(Vehicle):\n",
" pass\n",
" def __init__(self, name = \"Magic bus\"): # Initializes a bus with a default name \"Magic bus\"\n",
" super().__init__(name) # Calls Vehicle's constructor to set the name attribute\n",
"\n",
"# Example instantiation\n",
"school_bus = Bus()\n",
"print(type(school_bus)) # Expected output: <class '__main__.Bus'>"
"print(type(school_bus)) # Expected output: <class '__main__.Bus'>"
]
},
{
Expand All @@ -118,14 +134,14 @@
},
{
"cell_type": "code",
"execution_count": 4,
"execution_count": 66,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Base fare\n"
"Base fare with extra charge\n"
]
}
],
Expand All @@ -135,9 +151,11 @@
" def fare(self):\n",
" return \"Base fare\"\n",
"\n",
"class Bus(Vehicle):\n",
"class Bus(Vehicle): # Bus inherits from Vehicle\n",
" # Hint: Override fare method to include extra charges\n",
" pass\n",
"\n",
" def fare(self): # Override fare method to include extra charge\n",
" return \"Base fare with extra charge\"\n",
"\n",
"school_bus = Bus()\n",
"print(school_bus.fare()) # Expected output: \"Base fare with extra charge\""
Expand All @@ -153,29 +171,40 @@
},
{
"cell_type": "code",
"execution_count": 5,
"execution_count": 72,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"White\n",
"White\n",
"Yellow\n",
"White\n"
]
}
],
"source": [
"# Your code here\n",
"class Vehicle:\n",
" color = \"White\" # Hint: Define color as a class attribute\n",
" color = \"White\" # class attribute shared by all instances\n",
"\n",
" def __init__(self, name, max_speed, mileage):\n",
" self.name = name\n",
" self.max_speed = max_speed\n",
" self.mileage = mileage\n",
"\n",
"school_bus = Vehicle(\"School Volvo\", 180, 12)\n",
"print(school_bus.color) # Expected output: \"White\""
"print(school_bus.color) # Expected output: \"White\"\n",
"\n",
"car = Vehicle(\"Audi\", 220, 15)\n",
"print(car.color) # Expected output: \"White\"\n",
"\n",
"# Example of changing the color for one instance:\n",
"school_bus.color = \"Yellow\"\n",
"print(school_bus.color) # Yellow (new color attribute for this specific instance)\n",
"print(car.color) # White (no change)"
]
},
{
Expand All @@ -188,14 +217,14 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": 74,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Total Bus fare is: 5000\n"
"Total Bus fare is: 5500.0\n"
]
}
],
Expand All @@ -211,8 +240,9 @@
" return self.capacity * 100\n",
"\n",
"class Bus(Vehicle):\n",
" # Hint: Override fare method to include maintenance charge\n",
" pass\n",
" \n",
" def fare(self):\n",
" return super().fare() * 1.10 # Overrides fare method to add a 10% maintenance charge while reusing the base fare from the parent class\n",
"\n",
"school_bus = Bus(\"School Volvo\", 12, 50)\n",
"print(\"Total Bus fare is:\", school_bus.fare()) # Expected output: Total Bus fare is: (calculated amount)"
Expand All @@ -228,7 +258,7 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": 76,
"metadata": {},
"outputs": [
{
Expand All @@ -242,7 +272,8 @@
"source": [
"# Your code here\n",
"school_bus = Bus(\"School Volvo\", 12, 50)\n",
"print(type(school_bus)) # Expected output: <class '__main__.Bus'>"
"print(type(school_bus)) # Expected output: <class '__main__.Bus'>\n",
"\n"
]
},
{
Expand All @@ -255,7 +286,7 @@
},
{
"cell_type": "code",
"execution_count": 8,
"execution_count": 52,
"metadata": {},
"outputs": [
{
Expand Down Expand Up @@ -287,7 +318,7 @@
],
"metadata": {
"kernelspec": {
"display_name": ".venv",
"display_name": "base",
"language": "python",
"name": "python3"
},
Expand All @@ -301,7 +332,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.0"
"version": "3.12.7"
}
},
"nbformat": 4,
Expand Down