One common mistake for the novices, at least in french speaking part of switzerland, is to use the comma instead of the . for floating point literals. This is because we say "nombre à virgule" to denote numbers with decimal positions. This generates errors really difficult to decrypt for the novices
from gturtle import *
makeTurtle()
size = 10
for _ in range(10):
fd(size)
rt(360 / 6)
size *= 1,2
