Python: Get value from another script

'''
https://stackoverflow.com/questions/30664263/return-value-from-one-python-script-to-another
'''


'''
pass an argument to another script
retrieve an output from another script to original caller
'''


#######################################


#Script 1
import sys
import subprocess
s2_out = subprocess.check_output([sys.executable, "script2.py", "34"])
print(s2_out)



#####################################


#script 2

import sys
def main(arg):
    print("Hello World"+arg)

if __name__ == "__main__":
    main(sys.argv[1])