$1.$ Predict what will be displayed when the following Python commands are executed. Then try them.Explain how they work. Use help resources as needed.import numpy as npA $=$ np$.$array$([[1,2,3],[2,4,6],[3,2,1]])$print$($A$)$At $=$ A$.$transpose$()$print$($At$)$A$1=$ A$[$:$,2]$print$($A$1)$nm $=$ np$.$sum$($np$.$diag$($A$))$print$($nm$)$Ad $=$ np$.$delete$($A$,1,0)$print$($Ad$)$