rupa jha rocks!

omkar issue file exists.
this is 4th branch 

slicing 

import nmupy as np

arr= np.array([1,2,3,4,,5],[6,7,8,9,10])
print(arr,[0:1:3] + arr [1:2:4])

print(arr,[0:1:3] - arr [1:2:4])

print([0:1:4])



nwe program.