i have a print statement to print 16 lines (for loop) in hadoop mapper but the reducer only gives 2 lines in stdin

it is a matric multiplication map reduce but i am not getting a sucessful output in reduce

as in the image the python porgram works fine but when in streaming the output recvieved is not what i thought itd be output in terminalthe mapper and reducerthe text input

i tried dividing the input to 2 files but that didi not work either