import numpy as np
from matplotlib import pyplot as plt

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

def plot(x, y):
   fig = plt.figure()
   plt.plot(x, y)
   return fig

x = np.linspace(-10, 10, 100)
y = np.sin(x)

f = plot(x, y)

plt.show()