many subplots

import matplotlib.pyplot as plt
%matplotlib inline
import h5py
import numpy as np

file = h5py.File("C:\\Users\\Jan\\Documents\\Physik & Mathe\\Bachelorarbeit\\h5 Dateien zum Ausprobieren\\positions.h5")
x_axis = file["/data/encoder_fast/data"]
y_axis = file["/data/encoder_slow/data"]
x = list(x_axis)
y = list(y_axis)


index = range(1,len(y)+1)

x_1 = x[:5000]
y_1 = y[:5000]
x_2 = x[5000:10000]
y_2 = y[5000:10000]
x_3 = x[10000:15000]
y_3 = y[10000:15000]
x_4 = x[15000:20000]
y_4 = y[15000:20000]
x_5 = x[20000:25000]
y_5 = y[20000:25000]
x_6 = x[25000:30000]
y_6 = y[25000:30000]
x_7 = x[30000:35000]
y_7 = y[30000:35000]
x_8 = x[35000:40000]
y_8 = y[35000:40000]
x_9 = x[40000:42000]
y_9 = y[40000:42000]

fig = plt.figure(figsize=(10, 8))

ax1 = plt.subplot2grid((3, 3), (0, 0))
ax1.plot(x_1,y_1)

ax2 = plt.subplot2grid((3, 3), (0, 1))
ax2.plot(x_2,y_2)

ax3 = plt.subplot2grid((3, 3), (0, 2))
ax3.plot(x_3,y_3)

ax4 = plt.subplot2grid((3, 3), (1, 0))
ax4.plot(x_4,y_4)

ax5 = plt.subplot2grid((3, 3), (1, 1))
ax5.plot(x_5,y_5)

ax6 = plt.subplot2grid((3, 3), (1, 2))
ax6.plot(x_6,y_6)

ax7 = plt.subplot2grid((3, 3), (2, 0))
ax7.plot(x_7,y_7)

ax8 = plt.subplot2grid((3, 3), (2, 1))
ax8.plot(x_8,y_8)

ax9 = plt.subplot2grid((3, 3), (2, 2))
ax9.plot(x_9,y_9)


plt.tight_layout()
plt.show()