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def get_exec_output(form_ip):
"""
get_exec_output function is used to check network availability for given IP address,
:param form_ip: IP address of destination node.
:return: network status of destination node.
"""
try:
# command chaining from the form input
substitutions = {"&& ": "", ";": ""}
for substitute in substitutions.keys():
form_ip = form_ip.replace(substitute, substitutions[substitute])
########## Add your code below
########## End code
command_out = subprocess.check_output(
"ping -c 4 {0}".format(form_ip), shell=True
)
command_out = command_out.decode("utf-8")
return command_out
except subprocess.CalledProcessError as ex:
return None
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