# Revision history [back]

### Mathplotlib cannot create a graph

Hello! Using www.sagenb.com I typed the following code in the cell of my worksheet:

import matplotlib.pyplot as plt
plt.plot([1, 3, 2, 4])
plt.show()


Unfortunately there isn't any graph under the cell. What should I do? Thanks.

### Mathplotlib Matplotlib cannot create a graph

Hello! Using www.sagenb.com I typed the following code in the cell of my worksheet:

import matplotlib.pyplot as plt
plt.plot([1, 3, 2, 4])
plt.show()


Unfortunately there isn't any graph under the cell. What should I do? Thanks.