Load the MRI Data

import matplotlib.pyplot as plt
import nibabel as nib

def show_image(image):
    plt.imshow(image)
   
fig = plt.figure()

mri = nib.load("path_to_mri_scan\\mri_volume.nii").get_fdata()
mri.shape

for i in range(0, 2):

    for j in range(1, 5):
        index = i*4
        ax = plt.subplot(3, 4, index + j)
        plt.tight_layout()
        ax.set_title('slice #{}'.format(index + j))
        ax.axis('off')
        show_image(mri[50 + (index+j)*2])