26 lines
1.7 KiB
Python
26 lines
1.7 KiB
Python
import json
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from typing import Any, Dict, List
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def get_cars() -> Any: # Defining the function get_cars()
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with open('cars.json', 'rt') as f: # Opens the cars.json file
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return json.load(f) # Serializes the JSON data into a Python object
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def sort(data: Dict[str, str]) -> Dict[str, List[str]]: # Defining the function sort()
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dictionary: Dict[str, List[str]] = {} # Creating an empty dictionary to store the sorted data
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for car, manufacturer in data.items(): # Iterating through the input data
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if manufacturer not in dictionary: # If the manufacturer does not already exist as a key in the new dictionary,
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dictionary[manufacturer] = [car] # create a new key with the manufacturer as the key and the car as the value, in a list
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else: # If the manufacturer does already exist as a key in the new dictionary,
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dictionary[manufacturer].append(car) # append the car to the list of cars for that manufacturer
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return dictionary # Return the dictionary object
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def save(data: Dict[str, Any]) -> None:
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with open('sorted_cars.json', 'w') as f: # Opening the file sorted_cars.json for the purpose of writing to it
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json.dump(data, f, indent=2) # Dumps the JSON-serialized python object into the sorted_cars.json file, with an indentation of 2
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if __name__ == '__main__':
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cars = get_cars()
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sorted_cars = sort(cars)
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save(sorted_cars)
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print("Successfully sorted cars by manufacturer!")
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