Update matematica/eq2grau.py

matematica/eq2grau.py

@@ -3,19 +3,25 @@ import turtle
 LARG = 800
 ALT = 600
 
-turtle.setup(LARG, ALT)
-
 def f(x: int) -> int:
     return -(3/800)*(x**2)+300
+# fim-def
 
-turtle.up()
-ini_x = -LARG//2
-ini_y = f(ini_x)
-turtle.goto(ini_x, round(ini_y))
-turtle.down()
+def main():
+    turtle.setup(LARG, ALT)
+    turtle.up()
+    ini_x = -LARG//2
+    ini_y = f(ini_x)
+    turtle.goto(ini_x, round(ini_y))
+    turtle.down()
 
-for x in range(1-LARG//2, -1+LARG//2):
-    y = f(x)
-    turtle.goto(x, round(y))
+    for x in range(1-LARG//2, -1+LARG//2):
+        y = f(x)
+        turtle.goto(x, round(y))
+    # fim-for
 
-turtle.done()
+    turtle.done()
+# fim-def
+
+if __name__ == '__main__':
+    main()