Flask API for model serving in ML Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the Flask class from the flask package.

ML Python

from flask import [1]

app = [1](__name__)

Drag options to blanks, or click blank then click option'

AFlask

BRequest

Cjsonify

Drender_template

Attempts:

3 left

💡 Hint

Common Mistakes

Importing Request or jsonify instead of Flask

Using wrong class name for app creation

The Flask class is imported from the flask package to create the app instance.

2fill in blank

medium

Complete the code to define a route for the API endpoint '/predict'.

ML Python

@app.route('[1]', methods=['POST'])
def predict():
    pass

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A/predict

B/train

C/model

D/input

Attempts:

3 left

💡 Hint

Common Mistakes

Using GET method instead of POST

Wrong endpoint path like '/train'

The route decorator defines the URL path '/predict' for the prediction API.

3fill in blank

hard

Fix the error in the code to get JSON data from the POST request.

ML Python

data = request.[1]

Drag options to blanks, or click blank then click option'

Ajsonify

Bjson

Cget_json()

Dget_json

Attempts:

3 left

💡 Hint

Common Mistakes

Using request.json without parentheses

Using request.jsonify which is incorrect

Use request.get_json() method to parse JSON data from the request body.

4fill in blank

hard

Fill both blanks to load a saved model and make a prediction.

ML Python

import joblib

model = joblib.[1]('model.pkl')
prediction = model.[2]([input_data])

Drag options to blanks, or click blank then click option'

Aload

Bpredict

Cdump

Dfit

Attempts:

3 left

💡 Hint

Common Mistakes

Using joblib.dump instead of load

Using model.fit instead of predict

Use joblib.load to load the saved model and model.predict to get predictions.

5fill in blank

hard

Fill both blanks to return the prediction as JSON with status code 200.

ML Python

from flask import jsonify

return jsonify([1]: prediction[0]}), [2]

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A'result'

B200

C201

D'output'

Attempts:

3 left

💡 Hint

Common Mistakes

Using status code 201 which means created

Using wrong JSON key names

Return JSON with key 'result' and HTTP status code 200 for success.