The array
Lessons(78,79,80)
To express the array as : Number of rows by number of
columns .
                  row
                                                             column
Array 2 by 3               Array 3 by 4
E.X (1) Complete :
Numbers of rows ……           Numbers of rows…...
Numbers of columns ……      Numbers of columns….
 An array ….. by …..         An array ….. by …..
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