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Thanks for sharing @rohitnamjoshi. That's very helpful.
The passing grade for the exercise is 70%, so you should get at least 14 of the 20 correct.
#War and Peace Apparently "Peace" is not as talked about (or written about) as "War"... WordFrequencyPlot[{"war", "peace"}] ![enter image description here][1] #Earth and Space Or perhaps running out of options for peace on earth, space...
Here is a List: myList = {{a, b, c}, {d, e, f}, {g, h, i}} To access the 3rd element of the 2nd row, i.e. [2,3]: myList[[2,3]] More details can be found in the doucmentation at...