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Week 2, Day 2 Lab: OOP in Python Answers #78

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64 changes: 39 additions & 25 deletions lab-oop_in_python.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -32,15 +32,27 @@
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"200 10\n"
]
}
],
"source": [
"# Your code here\n",
"class Vehicle:\n",
" # Hint: Define __init__ method with parameters for max_speed and mileage\n",
" # Define __init__ method with parameters for model, max_speed and mileage\n",
" def __init__(self, model, max_speed, mileage):\n",
" self.model = model\n",
" self.max_speed = max_speed\n",
" self.mileage = mileage \n",
"\n",
" pass\n",
"\n",
"# Example instantiation\n",
"modelX = Vehicle() # Create an instance of Vehicle\n",
"modelX = Vehicle(\"A1\",200, 10 ) # Create an instance of Vehicle\n",
"\n",
"# Print attributes\n",
"print(modelX.max_speed, modelX.mileage) # Expected output: (value of max_speed, value of mileage)"
Expand All @@ -56,7 +68,7 @@
},
{
"cell_type": "code",
"execution_count": 2,
"execution_count": null,
"metadata": {},
"outputs": [
{
Expand All @@ -68,7 +80,7 @@
}
],
"source": [
"# Your code here\n",
"\n",
"class Vehicle:\n",
" pass\n",
"\n",
Expand All @@ -87,7 +99,7 @@
},
{
"cell_type": "code",
"execution_count": 3,
"execution_count": null,
"metadata": {},
"outputs": [
{
Expand All @@ -99,7 +111,7 @@
}
],
"source": [
"# Your code here\n",
"\n",
"class Bus(Vehicle):\n",
" pass\n",
"\n",
Expand All @@ -118,25 +130,27 @@
},
{
"cell_type": "code",
"execution_count": 4,
"execution_count": null,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Base fare\n"
"Base fare with extra charge\n"
]
}
],
"source": [
"# Your code here\n",
"\n",
"class Vehicle:\n",
" def fare(self):\n",
" return \"Base fare\"\n",
"\n",
"class Bus(Vehicle):\n",
" # Hint: Override fare method to include extra charges\n",
" # Override fare method to include extra charge comment, child will override parent\n",
" def fare(self):\n",
" return \"Base fare with extra charge\"\n",
" pass\n",
"\n",
"school_bus = Bus()\n",
Expand All @@ -153,7 +167,7 @@
},
{
"cell_type": "code",
"execution_count": 5,
"execution_count": null,
"metadata": {},
"outputs": [
{
Expand All @@ -165,9 +179,9 @@
}
],
"source": [
"# Your code here\n",
"\n",
"class Vehicle:\n",
" color = \"White\" # Hint: Define color as a class attribute\n",
" color = \"White\" # Define color as a class attribute\n",
"\n",
" def __init__(self, name, max_speed, mileage):\n",
" self.name = name\n",
Expand All @@ -188,19 +202,19 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": 12,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Total Bus fare is: 5000\n"
"Total Bus fare is: 5500.0\n"
]
}
],
"source": [
"# Your code here\n",
"\n",
"class Vehicle:\n",
" def __init__(self, name, mileage, capacity):\n",
" self.name = name\n",
Expand All @@ -211,7 +225,9 @@
" return self.capacity * 100\n",
"\n",
"class Bus(Vehicle):\n",
" # Hint: Override fare method to include maintenance charge\n",
" # Override fare method to include maintenance charge of 10%\n",
" def fare(self):\n",
" return (self.capacity * 100)*1.1\n",
" pass\n",
"\n",
"school_bus = Bus(\"School Volvo\", 12, 50)\n",
Expand All @@ -228,7 +244,7 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": null,
"metadata": {},
"outputs": [
{
Expand All @@ -240,7 +256,6 @@
}
],
"source": [
"# Your code here\n",
"school_bus = Bus(\"School Volvo\", 12, 50)\n",
"print(type(school_bus)) # Expected output: <class '__main__.Bus'>"
]
Expand All @@ -255,7 +270,7 @@
},
{
"cell_type": "code",
"execution_count": 8,
"execution_count": null,
"metadata": {},
"outputs": [
{
Expand All @@ -267,7 +282,6 @@
}
],
"source": [
"# Your code here\n",
"print(isinstance(school_bus, Vehicle)) # Expected output: True or False based on inheritance"
]
},
Expand All @@ -287,7 +301,7 @@
],
"metadata": {
"kernelspec": {
"display_name": ".venv",
"display_name": "base",
"language": "python",
"name": "python3"
},
Expand All @@ -301,7 +315,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.0"
"version": "3.12.7"
}
},
"nbformat": 4,
Expand Down