max_loss = np.max(loss_plot)
min_loss = np.min(loss_plot)
print("Maximum Loss : {:.4f}\n".format(max_loss))
print("Minimum Loss : {:.4f}\n".format(min_loss))
print("Loss difference : {:.4f}\n".format(max_loss-min_loss))

Maximum Loss : 2.5834

Minimum Loss : 0.0081

Loss difference : 2.5753