Concatenating the dataNumPy's concatenate data is used to concatenate two arrays either row-wise or column-wise. It can take two or more arrays of the same shape and it concatenates row-wise as a default type i.e. axis=0. Example1:Output: array([[ 0, 1, 2], [ 3, 4, 5], [ 6, 7, 8], [10, 11, 12], [13, 14, 15], [16, 17, 18]]) Example2:Output: Name id A Parker 108 B Phill 119 C Smith 127 A Terry 102 B Jones 125 C John 112 Example3:Output: Name id x A Parker 108 B Phill119 C Smith 127 y A Terry 102 B Jones 125 C John 112 Next TopicPandas vs NumPy |