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What will be the output type of this code snippet using an open-source embedding model in Langchain?

medium📝 Predict Output Q4 of 15
LangChain - Embeddings and Vector Stores
What will be the output type of this code snippet using an open-source embedding model in Langchain?
from langchain.embeddings import HuggingFaceEmbeddings
model = HuggingFaceEmbeddings()
embedding = model.embed_query("Hello world")
print(type(embedding))
A<class 'dict'>
B<class 'list'>
C<class 'str'>
D<class 'int'>
Step-by-Step Solution
Solution:

  1. Step 1: Understand embed_query output

    embed_query returns a vector embedding as a list of floats.

  2. Step 2: Check printed type

    Printing type of embedding shows <class 'list'> because it is a list.

  3. Final Answer:

    <class 'list'> -> Option B

  4. Quick Check:

    Embedding output type = B [OK]
Quick Trick: Embedding vectors are lists of numbers [OK]
Common Mistakes:
  • Expecting a dictionary or string output
  • Confusing embedding with raw text
  • Assuming integer output

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