no arg:
arguments are:
    None
Success!
Child status:
    WIFEXITED   : 1
    WEXITSTATUS : 0
    WIFSIGNALED : 0
    WTERMSIG    : 0
    WCOREDUMP   : 0
    WIFSTOPPED  : 0
    WSTOPSIG    : 0
    WIFCONTINUED: 0
1 arg:
arguments are:
    'Hello World!'
Success!
Child status:
    WIFEXITED   : 1
    WEXITSTATUS : 0
    WIFSIGNALED : 0
    WTERMSIG    : 0
    WCOREDUMP   : 0
    WIFSTOPPED  : 0
    WSTOPSIG    : 0
    WIFCONTINUED: 0
5 arg:
arguments are:
    'Hi,'
    'my'
    'name'
    'is'
    'Fred'
Success!
Child status:
    WIFEXITED   : 1
    WEXITSTATUS : 0
    WIFSIGNALED : 0
    WTERMSIG    : 0
    WCOREDUMP   : 0
    WIFSTOPPED  : 0
    WSTOPSIG    : 0
    WIFCONTINUED: 0
All Done!