Add an axes dynamically in matplotlib

using add_axes function

import matplotlib.pyplot as plt
import array 

arr1 = array.array('i', [1, 2, 3])
arr2 = array.array('i', [4, 5, 6])

# Create a figure object
fig = plt.figure()
# add axis
axes = fig.add_axes([.1,.1,.8,.8])
# Plot graph
axes.plot(arr1,arr2)
# Show graph
plt.show()

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