code: def dot(a, b):
      """Compute the dot product between the two vectors a and b."""
      return sum(i * j for i, j in zip(a, b))
  
file_path: dlib/python_examples/svm_struct.py
imports: import dlib
label_desc: Use image node_id 3 for calling a global function with example usage: dot(a, b) and returns: sum