{'Component 1': {' Y component': [' Quantization table 0',
    ' Sampling factors 1 horiz/1 vert']}, 'Component 2': {' Cb component':
    [' Quantization table 1', ' Sampling factors 1 horiz/1 vert']},
    'Component 3': {' Cr component': [' Quantization table 1',
    ' Sampling factors 1 horiz/1 vert']}, 'Compression Type': [
    ' Progressive', ' Huffman'], 'Content-Length': ' 14312', 'Content-Type':
    ' image/jpeg'}
Formation of dictionary from list element