<human>:  Write me a Python function to assert command not found.
<bot>: Here is a Python function to assert command not found

import sys

def assert_command_not_found(command):
  """
  Assert command not found
  """
  assert command not in sys.argv, "Command %s not found" % command

# Enter the command
command = "assert"

# Calling the function
print((assert_command_not_found(command)))

#Example Output
# None

#Remember to inspect code for bugs.