219
220        # show the plot
221        plt.show()
222            223
224else:
225    print("You have to type an operation!?")

194            main()
195        
196
197    198        #print(x)
199        #print(ys)
200

192
193        if __name__ == "__main__":
194            main()
195        196
197    
198        #print(x)

 53            except ValueError:
 54                print("You have to type a number!")
 55                exit()
 56             57            data_point_list_y.append(data_point_y)
 58            stop1 = input("Press enter to continue or done to stop...")
 59            if stop1 in stop:

 59            if stop1 in stop:
 60                i = 11
 61            i = int(i) + 1
 62             63            
 64        print("The data points you entered: ")
 65        print(data_point_list_x)