command hadoop jar stuck

[#1]

HI 
I am learning Hadoop, I have tried word count python program 
I am not getting any error but it is stuck and nothing happen, cursor only comes in new line.
I fired below command

Hadoop jar /usr/lib/hadoop-0.20-mapreduce/contrib/streaming/hadoop-streaming-2.6.0-mr1-cdh5.13.0.jar -file /home/cloudera/mapper.py /home/cloudera/reducer.py -mapper "python mapper.py" -reducer "python reducer.py -input /user/cloudera/PracticeSet/test.txt -output /user/cloudera/PracticeSet/

[#2]

Hi @Yogesh771 

It would help members of the community in offering possible answers to your question if you posted a link to the tutorial you are presumably following which includes the source code for this python program, describes how to run it and what the expected output is.