Runnable lambdas
The RunnableLambda class is a crucial component in a hybrid retrieval chain. Before you use it to execute a vector retriever, let's first practice using it to convert a Python function into an LCEL runnable.
The user-defined reverse() function takes a string and returns it in reverse order. Update the code to return the input string in reverse.
Bu egzersiz, kursun bir parçasıdır
Graph RAG with LangChain and Neo4j
Egzersiz talimatları
- Convert the
reverse()function into an LCEL runnable. - Call the
reverse_chainrunnable to reverse the string provided.
Uygulamalı etkileşimli egzersiz
Bu egzersizi bu örnek kodu tamamlayarak deneyin.
def reverse(input):
return input[::-1]
# Convert reverse() into a runnable
reverse_chain = ____
# Reverse the input
output = reverse_chain.____("Hello, world!")
print(output)