Give me HTML, CSS and Javascript code for the following The first column of the grid should be named as the following. It should have 18 rows. Aprart from this the grid should have 42 columns. Every 7 columns should be grouped and the name of the header shoud be Monday, Tuesday etc. After every 7 column a thick border should be there to differentiate eachday of the week. 1 A 1 B 2 A 3 A 4 A 4 B Name the cards as follows Eng EVS Hindi Guj Math Mus Dan A&C Y/K Sans Com Remd. Phy Che Acc Bst Eco Spo G/S Sci Social Science G/ H/ S His. / Geo. Eco. /Pol. Sci. Biology Bio. / Math. If a card is placed on the first column, same card cannot be placed on the same column. A warning message should appear saying in which row the card is already present. Asking for replacement. If "Yes" is the answer , then remove the card from old row and place it in the current row. The first column of the grid should have 18 rows and be named as the following for each row 1 A 1 B 2 A 3 A 4 A 4 B 5 A 6 A Apart from this it should have 42 colums . The Monday name column should be merged and under it should have 7 column. same goes for all the other days of the week

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function add(a, b) {
  return a + b;
}

function getHTML(a, b) {
  return a + b;
}

function getHTML2(a, b) {
  return a + b;
}

function getHTML3(a, b) {
  return a + b;
}

function getHTML4(a, b) {