events in wxpython user interfaces online resources there are numerous online references that support the development of guis and of python guis in particularincludingcross platform gui library exercises simple gui application this exercise builds on the gui you created in the last the application should allow user to enter their name and age you will need to check that the value entered into the age field is numeric value (for example using isnumeric()if the value is not number then an error message dialog should be displayed