Changes

*Can someone help me uderstand these two underlined requirements. Thanks a lot for you help!!*:1. Your function does not allow the cursor to move before the start of the field or past the end of the field. <u>If the field ends at the right edge of the screen, your function does not allow the cursor to the right of that edge</u>.*:2. END - moves the cursor to the position to the right of the last character in the string, changing the offset, if necessary. <u>If the last character is at the edge of the screen, moves the cursor to that character.</u>