import pandas as pd
import numpy as np
from matplotlib import pyplot as plt

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

N = 10

x = np.random.rand(N)
y = np.random.rand(N)

with plt.rc_context({"axes.grid": True, "grid.linewidth": 0.75, "lines.linestyle": 'dashed'}):
   plt.subplot(121)
   plt.plot(x, y)

plt.subplot(122)
plt.plot(x, y)

plt.show()