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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 load_image(name, n, m=None, gpu=None, square=None):
 """Function to load images with certain size."""

    if m is None:
        m = n
    if gpu is None:
        gpu = 0
    if square is None:
        square = 0
    command = ('Shearlab.load_image("{}", {}, {}, {}, {})'.format(name,
               n, m, gpu, square))
    return j.eval(command)