What is the error in this program

Question

https://code.sololearn.com/WWfta2DxNHQH/?ref=app

Answer 1

There is spelling mistake in line 53 and 59.

Line 53:
maxheight

Line 59:
maxHeight

Correct the spelling of maxheight in line no. 59.

Answer 2

It should be "maxheight" not "maxHeight" on line 59.