import numpy as np
import matplotlib.pyplot as plt

plt.rcParams["figure.figsize"] = [7.50，3.50]
plt.rcParams["figure.autolayout"] = True

fig，ax = plt.subplots()
min_val，max_val = 0，5
matrix = np.random.randint(0，5，size = (max_val，max_val))
ax.matshow(matrix，cmap='ocean')

for i in range(max_val)：
   for j in range(max_val)：
      c = matrix[j，i]
      ax.text(i，j，str(c)，va='center'，ha='center')

plt.show()