In this project or can say practiced about numpy one of the well known library of python to work with numerical data. This file includes function: 1)Printing array 2)Type of array 3)Dimension in array(0D,1D,2D,3D) 4)Array indexing 5)Slicing of Numpy Array 6)Checking Datatype of an Array 7)Creating Array with defined datatype 8)Array shape 9)Joining Two numpy array 10)Splitting the array 11)Ravel and Flatten Function 12)Unique Function 13)Delete Function