Merge pull request crewAIInc#9 from llxxxll/develop

Update README.md

Author: joaomdmoura

README.md

@@ -31,22 +31,25 @@ pip install crewai
 2. **Setting Up Your Crew**:
 
 ```python
+import os
 from crewai import Agent, Task, Crew, Process
 
+os.environ["OPENAI_API_KEY"] = "Your Key"
+
 # Define your agents with roles and goals
 researcher = Agent(
   role='Researcher',
   goal='Discover new insights',
   backstory="You're a world class researcher working on a major data science company",
-  verbose=True
+  verbose=True,
   allow_delegation=False
   # llm=OpenAI(temperature=0.7, model_name="gpt-4"). It uses langchain.chat_models, default is GPT4 
 )
 writer = Agent(
   role='Writer',
   goal='Create engaging content',
   backstory="You're a famous technical writer, specialized on writing data related content",
-  verbose=True 
+  verbose=True,
   allow_delegation=False
 )