python plot range
import matplotlib.pyplot as plt
import numpy as np
fig = plt.figure(figsize=(12, 6))
x = np.arange(0, 10, 0.1)
y = np.sin(x)
z = np.cos(x)
ax = fig.add_subplot(121)
ax2 = fig.add_subplot(122)
ax.set_title('Full view')
ax.plot(y, color='blue', label='Sine wave')
ax.plot(z, color='black', label='Cosine wave')
ax2.set_title('Truncated view')
ax2.plot(y, color='blue', label='Sine wave')
ax2.plot(z, color='black', label='Cosine wave')
ax2.set_xlim([25, 50])
plt.show()