If you do not wish to specify `input_variables` manually, you can also create a `PromptTemplate` using `from_templates` class method. `langchain` will automatically infer the `input_variables` based on the `template` passed.
If you do not wish to specify `input_variables` manually, you can also create a `PromptTemplate` using `from_template` class method. `langchain` will automatically infer the `input_variables` based on the `template` passed.
```python
```python
template = "Tell me a {adjective} joke about {content}."
template = "Tell me a {adjective} joke about {content}."