What does Flask return when a route handler function returns a string?1 pointA JSON objectAn HTTP response with the string in the bodyAn errorA template render
Question
What does Flask return when a route handler function returns a string?
- A JSON object
- An HTTP response with the string in the body
- An error
- A template render
Solution
When a route handler function in Flask returns a string, Flask will return an HTTP response with the string in the body. This is because Flask automatically converts the string into an appropriate HTTP response. Therefore, the correct answer to the question is:
An HTTP response with the string in the body.
In more detail, Flask checks the return type of the view function, and if it's a string, it creates a response object with that string as the response body, along with a default content type of "text/html". This makes it very straightforward to send simple text responses without needing to explicitly create a response object.
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