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draw-line challenge bug #297

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Open
@msm1089

Description

Using the drawline method provided as the solution, it does not handle cases where start_byte != end_byte properly. In end_byte, only the LSB is set.

E.g.

S = BitsScreen()
screen = []
for _ in range(20):
 screen.append(int('00000000', base=2))
S.draw_line(screen, 32, 68, 92)
for row in screen:
 print(f"{row: 09b}")

results in

 00000000
 00000000
 00000000
 00000000
 00000000
 00000000
 00000000
 00000000
 00001111
 11111111
 11111111
 00001000 <---only bit corresponding to x2 = 92 is set
 00000000
 00000000
 00000000
 00000000
 00000000
 00000000
 00000000
 00000000

I have tried to come up with a solution for this but could not. Could anyone provide the correct solution perhaps?

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