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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 de_blank(val):
 """Remove blank elements in `val` and return `ret`"""

    ret = list(val)
    if type(val) == list:
        for idx, item in enumerate(val):
            if item.strip() == '':
                ret.remove(item)
            else:
                ret[idx] = item.strip()
    return ret