"""
Pradhya · The Capable Series · Day 01 · First API call
======================================================

The "hello world" of working with Claude. Run it once. Read the output.
This is the entire shape of every program that ever talks to a model.

Setup:
    pip install -r requirements.txt
    export ANTHROPIC_API_KEY="sk-ant-..."

Run:
    python hello_claude.py
"""

from anthropic import Anthropic

client = Anthropic()  # reads ANTHROPIC_API_KEY from your environment

response = client.messages.create(
    model="claude-sonnet-4-6",
    max_tokens=400,
    messages=[
        {
            "role": "user",
            "content": (
                "You are a senior product reviewer at a hard-news "
                "publication. You care about clarity and the absence "
                "of marketing language.\n\n"
                "Critique this sentence: \"We leverage AI to unlock "
                "transformative outcomes for our customers.\""
            ),
        }
    ],
)

print(response.content[0].text)