matrix = [[1, 2, 3],[4, 5, 6],[7, 8, 9]]
# Accessing an element (row 2, column 3)
element = matrix[1][2]
print("Element at row 2, column 3:", element)
# Output: 6
# Iterating through the nested list
for row in matrix:
for col in row:
print(col, end=' ')
print()
bWF0cml4ID0gW1sxLCAyLCAzXSxbNCwgNSwgNl0sWzcsIDgsIDldXQojIEFjY2Vzc2luZyBhbiBlbGVtZW50IChyb3cgMiwgY29sdW1uIDMpCmVsZW1lbnQgPSBtYXRyaXhbMV1bMl0KcHJpbnQoIkVsZW1lbnQgYXQgcm93IDIsIGNvbHVtbiAzOiIsIGVsZW1lbnQpICAKIyBPdXRwdXQ6IDYKCiMgSXRlcmF0aW5nIHRocm91Z2ggdGhlIG5lc3RlZCBsaXN0CmZvciByb3cgaW4gbWF0cml4OgogICAgZm9yIGNvbCBpbiByb3c6CiAgICAgICAgcHJpbnQoY29sLCBlbmQ9JyAnKQogICAgcHJpbnQoKQ==