$($Cells & Ranges$)$ If the value $1$ is entered in cell A$1$ and you click and drag to cell A$7.$ What will the result be$?$

Excel will move the contents of cell A$1$ to cell A$7$

Excel will use autofill and copy the value $1$ to the cells

Excel will use autofill and complete the series by filling in the values $2,3,4,5,6,7.$