def pretty_string(value):
    """Reformats any data-type to a formatted string for printing."""
    if value is None:
        value = 'None'
    elif isinstance(value, float):
        value = str(round(value, 2))
    elif isinstance(value, str):
        value = value.replace('_', ' ')
        if value.islower():
            value = value.title()
    else:
        value = str(value)
    return value
