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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 mkdir_recursive(dirname):
 """makes all the directories along a given path, if they do not exist"""

    parent = os.path.dirname(dirname)
    if parent != "":
        if not os.path.exists(parent):
            mkdir_recursive(parent)
        if not os.path.exists(dirname):
            os.mkdir(dirname)
    elif not os.path.exists(dirname):
        os.mkdir(dirname)