Markeredgewidth Attribute In Matplotlib

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, marker="o", markersize=20, markerfacecolor="red", markeredgecolor = "blue" , markeredgewidth=5)

plt.show()

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