Unknown projection '3d'

#1

on running the same code as here this error pops up my code is here-
fig = plt.figure()
axes = fig.gca(projection = ‘3d’)
plt.show()

#2

https://drive.google.com/file/d/1S7xy2NdbkwjkROSK4gGG_sTdMXxfm950/view?usp=sharing https://drive.google.com/file/d/1sVpx_H78jjt1kkKoRRvEb5HxOcEfWqRb/view?usp=sharing

#3

I have shred my code and error as screen shots do ahve a look if required

#4

Use this import from mpl_toolkits.mplot3d import Axes3D it will work now.