[Solved] Identify the error in this Flask CLI command code:from flask import Flask app = Flask(__name__) @app.cli.command() def greet(name): print(f'Hello, {name}!') | Flask

Flask - Ecosystem and Patterns

Identify the error in this Flask CLI command code:

from flask import Flask
app = Flask(__name__)

@app.cli.command()
def greet(name):
    print(f'Hello, {name}!')

Aprint statement syntax is invalid

BMissing click.argument or click.option decorator for 'name'

CFunction name cannot be 'greet'

DFlask app instance is not created correctly

Step-by-Step Solution

Solution:

Step 1: Check function parameters
The function expects a parameter name but no click.argument or click.option decorates it to provide a value.
Step 2: Identify missing decorator
Without a decorator, Flask CLI cannot pass a value to name, causing an error.
Final Answer:
Missing click.argument or click.option decorator for 'name' -> Option B
Quick Check:
Parameters need decorators to receive CLI input [OK]

Quick Trick: Decorate parameters to accept CLI inputs [OK]

Common Mistakes:

MISTAKES

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