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==Example : TO DRAW A SQUARE==
==Example : TO DRAW A SQUARE==
The steps involved in drawing a square are as below.
The steps involved in drawing a square are as below.
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#go forward some number of steps
+
#Go forward some number of steps
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# turn right (or left) 90 degrees
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#Turn right (or left) 90 degrees
−
# go forward some number of step
+
#Go forward some number of step
−
# turn right (or left) 90 degrees
+
#Turn right (or left) 90 degrees
−
#go forward some number of steps
+
#Go forward some number of steps
−
#turn right (or left) 90 degrees
+
#Turn right (or left) 90 degrees
−
#go forward some number of steps.
+
#Go forward some number of steps.
−
#turn right (or left) 90 degrees .
+
#Turn right (or left) 90 degrees .
{| class="wikitable"
{| class="wikitable"