Assume there is a matrix of m rows and n columns represented by a list of lists called matrix. The following program displays all numbers in the left most column of the matrix. For example if matrix = [[2,7,3],[4,0,6],[5,6,1]) the program should print the following numbers:
2
4
5
Some parts of the program are given below. Fill in the remaining parts such that the program works as described above.
for ______ in matrix:
print(______)