mobile phone

Question

hellow, The subject of it is: to the figure tests on a tel. also characters correspond 1 " " spatie 2 a,b,c 3 d,e,f 4 g,h,i 5 j,k,l 6 m,n,o 7 p,q,r,s 8 t,u,v 9 w,x,y,z 0 backspace Simulate the action of gsm toestel at tapping SMS reported. When you press a test you obtain a character, when you press a test rapidly(<1 sec) after each other, the next character are printed. sow with pussing the buttons i need to get a text in a textbox like: good of what ever... Do you want to help me please? I don't know what to do. Tuesday is my examination test. I need to show this exercise... thx Pleasant greetings