import anthropicclient = anthropic.Anthropic( # defaults to os.environ.get("ANTHROPIC_API_KEY") api_key="my_api_key",)message = client.messages.create( model="claude-opus-4-20250514", max_tokens=1000, temperature=1, messages=[ { "role": "user", "content": [ { "type": "text", "text": "Analyze the pros and cons of implementing a four-day workweek as a standard practice in the corporate world." } ] } ])print(message.content)