def compute_pairwise_centroid(vec1, vec2):
    """Takes 2 vectors vec1, vec2 and returns the centroids of 
    vec1 and vec2 as a vector named "centroids". Here, the "centroid"
    vector is a list type variable. For better understanding please the run 
    code and check the variables in the "test of function/example section below 
    the function"
    
    Dependencies:
        *Does not require any custom function (constructed by me)
        
    Required by:
        *pairwise_cluster_init 
        *pairwise_cluster_elong
        
	"""
    centroids = []
    for i in range(0, len(vec1)):
        centroid = (vec1[i] + vec2[i]) / 2
        centroids.append(centroid)
    return centroids
