[Solved] What will happen if you run flask hello given this code?from flask import Flask app = Flask(__name__) @app.cli.command() def hello(): print('Hi there!') | Flask

Flask - Ecosystem and Patterns

What will happen if you run flask hello given this code?

from flask import Flask
app = Flask(__name__)

@app.cli.command()
def hello():
    print('Hi there!')

AIt prints nothing

BIt prints 'Hi there!'

CIt raises a runtime error

DIt shows a list of available commands

Step-by-Step Solution

Solution:

Step 1: Identify the command name
The function hello decorated with @app.cli.command() creates a CLI command named 'hello'.
Step 2: Predict command behavior
Running flask hello calls the function, printing 'Hi there!'.
Final Answer:
It prints 'Hi there!' -> Option B
Quick Check:
CLI command runs function and prints output [OK]

Quick Trick: Command name matches function name by default [OK]

Common Mistakes:

MISTAKES

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