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import subprocess

cmd="java -version"

sp=subprocess.Popen(cmd,shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE,universal_newlines=True)

rc=sp.wait()

o,e=sp.communicate()

if rc==0:

if bool(o)==True:

print(o)

#print(bool(o),bool(e))

'''

if bool(o)==False and bool(e)==True:

print(e.splitlines()[0].split()[2].strip("\""))

'''

if bool(o)==False:

if bool(e)==True:

print(e.splitlines()[0].split()[2].strip("\""))

else:

print(e)