change tick labels python code example

Example 1: changing axis labels matplotlib

import matplotlib.pyplot as plt

fig, ax = plt.subplots()

labels = [item.get_text() for item in ax.get_xticklabels()]
labels[1] = 'Testing'

ax.set_xticklabels(labels)

Example 2: change xticks python

plt.xticks(np.arange(0,10),np.arange(10,20))