drawStyle =”” #'default', 'steps-mid', 'steps-pre', 'steps-post', 'steps'

import matplotlib.pyplot as plt
import array 


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

plt.plot(arr1,arr2, drawStyle="steps-mid" )

plt.show()

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