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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def resize(widthWindow, heightWindow):
 	"""Setup 3D projection for window"""

	glViewport(0, 0, widthWindow, heightWindow)
	glMatrixMode(GL_PROJECTION)
	glLoadIdentity()
	gluPerspective(70, 1.0*widthWindow/heightWindow, 0.001, 10000.0)
	glMatrixMode(GL_MODELVIEW)
	glLoadIdentity()