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Menu iconMenu iconAlgorithms and Data Structures with Python
Algorithms and Data Structures with Python

Project 3: Map-based Routing Application

User Interaction and Input Handling

A practical routing application should interact with the user, allowing them to specify start and end locations. We'll implement a simple way to handle this.

Example Code:

def get_route(graph, start, end):
    distances = dijkstra(graph, start)
    return distances[end]

# Example User Interaction
start_location = input("Enter the start location: ")
end_location = input("Enter the destination: ")

try:
    route_distance = get_route(graph, start_location, end_location)
    print(f"The shortest distance from {start_location} to {end_location} is {route_distance}")
except KeyError:
    print("Invalid location entered.")

This code snippet allows users to input their desired start and end locations and outputs the shortest distance between them.

User Interaction and Input Handling

A practical routing application should interact with the user, allowing them to specify start and end locations. We'll implement a simple way to handle this.

Example Code:

def get_route(graph, start, end):
    distances = dijkstra(graph, start)
    return distances[end]

# Example User Interaction
start_location = input("Enter the start location: ")
end_location = input("Enter the destination: ")

try:
    route_distance = get_route(graph, start_location, end_location)
    print(f"The shortest distance from {start_location} to {end_location} is {route_distance}")
except KeyError:
    print("Invalid location entered.")

This code snippet allows users to input their desired start and end locations and outputs the shortest distance between them.

User Interaction and Input Handling

A practical routing application should interact with the user, allowing them to specify start and end locations. We'll implement a simple way to handle this.

Example Code:

def get_route(graph, start, end):
    distances = dijkstra(graph, start)
    return distances[end]

# Example User Interaction
start_location = input("Enter the start location: ")
end_location = input("Enter the destination: ")

try:
    route_distance = get_route(graph, start_location, end_location)
    print(f"The shortest distance from {start_location} to {end_location} is {route_distance}")
except KeyError:
    print("Invalid location entered.")

This code snippet allows users to input their desired start and end locations and outputs the shortest distance between them.

User Interaction and Input Handling

A practical routing application should interact with the user, allowing them to specify start and end locations. We'll implement a simple way to handle this.

Example Code:

def get_route(graph, start, end):
    distances = dijkstra(graph, start)
    return distances[end]

# Example User Interaction
start_location = input("Enter the start location: ")
end_location = input("Enter the destination: ")

try:
    route_distance = get_route(graph, start_location, end_location)
    print(f"The shortest distance from {start_location} to {end_location} is {route_distance}")
except KeyError:
    print("Invalid location entered.")

This code snippet allows users to input their desired start and end locations and outputs the shortest distance between them.