tests

test/ruby/31.in

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+import math
+
+def circle_area(radius):
+    return math.pi * radius ** 2
+
+def circle_circumference(radius):
+    return 2 * math.pi * radius
+
+def solve_quadratic(a, b, c):
+    discriminant = b ** 2 - 4 * a * c
+    
+    if discriminant < 0:
+        return None, None
+    elif discriminant == 0:
+        x = -b / (2 * a)
+        return x, x
+    else:
+        x1 = (-b + math.sqrt(discriminant)) / (2 * a)
+        x2 = (-b - math.sqrt(discriminant)) / (2 * a)
+        return x1, x2
+
+print(f"Circle with radius 5:")
+print(f"  Area: {circle_area(5):.2f}")
+print(f"  Circumference: {circle_circumference(5):.2f}")
+
+print(f"\nQuadratic 2x² + 5x - 3 = 0:")
+x1, x2 = solve_quadratic(2, 5, -3)
+print(f"  Solutions: {x1:.2f}, {x2:.2f}")
+
+print(f"\nQuadratic x² + 1 = 0:")
+x1, x2 = solve_quadratic(1, 0, 1)
+if x1 is None:
+    print("  No real solutions")