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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 strip_block_whitespace(string_list):
 """Treats a list of strings as a code block and strips whitespace so that the min whitespace line sits at char 0 of line."""

    min_ws = min([(len(x) - len(x.lstrip())) for x in string_list if x != '\n'])
    return [x[min_ws:] if x != '\n' else x for x in string_list]