为顺序链构建提示

# Create a prompt template that takes an input activity
learning_prompt = PromptTemplate(
    input_variables=["____"],
    template="I want to learn how to {activity}. Can you suggest how I can learn this step-by-step?"
)

# Create a prompt template that places a time constraint on the output
time_prompt = PromptTemplate(
    ____,
    template="I only have one week. Can you create a plan to help me hit this goal: {learning_plan}."
)

# Invoke the learning_prompt with an activity
print(learning_prompt.____({"activity": "____"}))