copy Error
print Error
INT OK
print empty
add 1 OK
add 1 Error
add 2 OK
add 3 OK
add 4 OK
add 5 OK
add 6 OK
print 
  1: 1
  2: _ 2
  3: _ 3
  4: _ 4
  5: _ 5
  6: _ 6
copy OK
clear OK
print empty
printcopy 
  1: 1
  2: _ 2
  3: _ 3
  4: _ 4
  5: _ 5
  6: _ 6
STRING OK
print empty
add Ask OK
add not OK
add what OK
add my OK
add country OK
add can OK
add do OK
add for OK
add me OK
add 2 OK
add 3 OK
add 4 OK
add 5 OK
add 6 OK
print 
  1: Ask
  2: 2 not
  3: _ 3 my what
  4: _ 4 country _
  5: _ 5 can do
  6: _ 6 _ for
  7: _ me
copy OK
clear OK
print empty
printcopy 
  1: Ask
  2: 2 not
  3: _ 3 my what
  4: _ 4 country _
  5: _ 5 can do
  6: _ 6 _ for
  7: _ me
INT OK
print empty
printcopy 
  1: 1
  2: _ 2
  3: _ 3
  4: _ 4
  5: _ 5
  6: _ 6