Write a program in q basic to draw four parallel lines
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Explanation:
The question is vague, but here's a possibility. Hope that helps.
For a segment (x1,y1)-(x2,y2) you can calculate another segment, n pixels away in a direction represented by angle a this way
x1b = x1 + n cos a
y1b = y1 - n sin a
x2b = x2 + n cos a
y2b = y2 - n sin a
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