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Explanation

Flask routes map URLs to Python functions using the @app.route decorator.

Code:

@app.route('/users')
def users():
    return 'Users'

Explanation

A dynamic URL parameter can be defined using angle brackets.

Code:

@app.route('/users/<int:user_id>')
def get_user(user_id):
    return f'User ID: {user_id}'

Explanation

Flask supports converters such as int, float, path, and uuid for URL parameters.

Code:

@app.route('/products/<int:id>')
def product(id):
    return f'Product {id}'

Explanation

Multiple URL parameters can be used in the same route.

Code:

@app.route('/users/<int:user_id>/orders/<int:order_id>')
def order(user_id, order_id):
    return f'User {user_id}, Order {order_id}'

Explanation

A route can restrict which HTTP methods it accepts.

Code:

@app.route('/users', methods=['GET', 'POST'])
def users():
    return 'User API'