# Python | Numpy matrix.tobytes()

With the help of `Numpy matrix.tobytes()` method, we can find the byte code for the matrix by using the `matrix.tobytes()` method.

Syntax : `matrix.tobytes()`
Return : Return byte code for matrix

Example #1 :
In this example we can see that by using `matrix.tobytes()` method we are able to find the byte code for the given matrix.

 `# import the important module in python ` `import` `numpy as np ` `             `  `# make matrix with numpy ` `gfg ``=` `np.matrix(``'[4, 1; 12, 3]'``) ` `             `  `# applying matrix.tobytes() method ` `geek ``=` `gfg.tobytes() ` `   `  `print``(geek) `

Output:

b’\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00′

Example #2 :

 `# import the important module in python ` `import` `numpy as np ` `             `  `# make matrix with numpy ` `gfg ``=` `np.matrix(``'[4, 1, 9; 12, 3, 1; 4, 5, 6]'``) ` `             `  `# applying matrix.tobytes() method ` `geek ``=` `gfg.tobytes() ` `   `  `print``(geek) `

Output:

b’\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\t\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00′

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