1 Complete the Matrix class by implementing the remaining methods: sub , mult , and transpose(). 2 Implement the numLiveNeighbors() method of the LifeGrid class. 3 Complete the implementation of the...

1 Complete the Matrix class by implementing the remaining methods: sub , mult , and transpose().

2 Implement the numLiveNeighbors() method of the LifeGrid class.

3 Complete the implementation of the gameoflife.py program by implement- ing the draw() function. The output should look similar to the following, where dead cells are indicated using a period and live cells are indicated using the @ symbol.