for prefix in ['i', 'n', 'v']
for key in ['<UP', '<DOWN>', '<LEFT>', '<RIGHT>']
exe prefix . "noremap " . key . " <Nop>"
endfor
endfor
for prefix in ['i', 'n', 'v']
for key in ['<UP', '<DOWN>', '<LEFT>', '<RIGHT>']
exe prefix . "noremap " . key . " <Nop>"
endfor
endfor