plt.yticks shows default labels code example

Example 1: change xticks python

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

Example 2: matplotlib limit number of ticks

plt.xaxis.set_major_locator(plt.MaxNLocator(3))
plt.yaxis.set_major_locator(plt.MaxNLocator(3))