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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def nf_input_to_cl(inp):
 """Convert an input description into command line argument. """

    sep = " " if inp.get("separate") else ""
    val = "'%s'" % inp.get("default") if inp.get("default") else "$%s" % inp["name"]
    return "%s%s%s" % (inp["prefix"], sep, val)