In [2]:
import matplotlib.pyplot as plt

x = [1,2,3,4]
y = [1,2,3,4]

plt.plot(x,y)
/home/cristian/.local/lib/python3.10/site-packages/matplotlib/projections/__init__.py:63: UserWarning: Unable to import Axes3D. This may be due to multiple versions of Matplotlib being installed (e.g. as a system package and as a pip package). As a result, the 3D projection is not available.
  warnings.warn("Unable to import Axes3D. This may be due to multiple versions of "
Out[2]:
[<matplotlib.lines.Line2D at 0x796bc0056aa0>]