On running the program for a surface in this video statement axes = fig.gca(projection=‘3d’) is giving an error.
It is showing ‘Unknown projection 3d’.
Matplotlib version - 3.1.0
Python version - 3.7.3
Program Error (Surface Plots)
Hey @Codecracaker532, make sure in the beginning of code you have used this line, if not then add this
from mpl_toolkits.mplot3d import Axes3D
Hope this will resolve your doubt. 
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