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dot product operation in 2D.
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Here is a Python function to dot product operation in 2d

import numpy as np

def dot_product(a, b):
    """
    Returns the dot product of two vectors.
    """
    return sum(a[i] * b[i] for i in range(len(a)))

# Enter the vectors
a = [1, 2, 3]
b = [4, 5, 6]

# Calling the function
print((dot_product(a, b)))

#Example Output
# 32

#Remember to inspect code for bugs.