code quality improvement

tools/calc.py

@@ -8,12 +8,15 @@ try:
 				y0 = int(input("y0:"))
 				w1 = int(input("w1:"))
 				h1 = int(input("h1:"))
-				x1 = round(x0/w, 2)
-				y1 = round(y0/h, 2)
-				x2 = round((x0+w1)/w, 2)
-				y2 = round((y0+h1)/h, 2)
-				print(',{\n      "x_range": '+f"[{x1:.2f}, {x2:.2f}]"+',\n      "y_range": '+f"[{y1:.2f}, {y2:.2f}]"+'\n    }')
-		except:
+				x1 = round(x0 / w, 2)
+				y1 = round(y0 / h, 2)
+				x2 = round((x0 + w1) / w, 2)
+				y2 = round((y0 + h1) / h, 2)
+				print(
+					',{\n      "x_range": ' + f"[{x1:.2f}, {x2:.2f}]" + ',\n      "y_range": ' + f"[{y1:.2f}, {y2:.2f}]" + '\n    }')
+		except ValueError:
 			pass
-except:
-	pass
+except ValueError:
+	pass
+except KeyboardInterrupt:
+	pass