Which of the following is used to define a block of code in Python language?IndentationKeyBracketsAll of the mentionedA column is a  _________- representation of data.DiagonalVerticalTopHorizontalWhat is the smallest element of an image?pixeldpimetercentimeterWhich of the following is a Python tuple?{1, 2, 3}{}[1, 2, 3](1, 2, 3)What will be the output of the following Python code snippet?print([[i+j for i in "abc"] for j in "def"])[‘da’, ‘ea’, ‘fa’, ‘db’, ‘eb’, ‘fb’, ‘dc’, ‘ec’, ‘fc’][[‘ad’, ‘bd’, ‘cd’], [‘ae’, ‘be’, ‘ce’], [‘af’, ‘bf’, ‘cf’]][[‘da’, ‘db’, ‘dc’], [‘ea’, ‘eb’, ‘ec’], [‘fa’, ‘fb’, ‘fc’]][‘ad’, ‘ae’, ‘af’, ‘bd’, ‘be’, ‘bf’, ‘cd’, ‘ce’, ‘cf’]What will be the output of the following Python program?  i = 0while i < 5: print(i) i += 1 if i == 3: breakelse: print(0)error0 1 2 00 1 2none of the mentionedWhat will be the output of the following Python code?i = 1while True:    if i%3 == 0:        break    print(i)     i + = 11 2 3error1 2none of the mentionedWhat is the purpose of a neural network?To simulate the function of the human brainTo optimize the performance of a machine learning algorithmTo improve the accuracy of a classification algorithmTo identify patterns in dataWhich one of the following is First layer of Neural Network?Outer LayerHidden LayerInput LayerUpper LayerNone of above