fix: memperbaiki CodeQL

Author: Ateng-labrador

math/rieman_integral.py

@@ -52,8 +52,10 @@ def g(x):
         return (4) / (1 + x**2)
     print(rieman_integral(g, 0, 1, 1000, "tengah"))  # 3.1415927369231227
 
-
-    print(rieman_integral(math.sin, 0, math.pi / 2, 100, "kiri"))  # 0.9921254566056331
+    # persamaan sin
+    def y(x):
+        return math.sin(x)
+    print(rieman_integral(y, 0, math.pi / 2, 100, "kiri"))  # 0.9921254566056331
 
 
 if __name__ == "__main__":