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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 arrays2wcxf(C):
 """Convert a dictionary with Wilson coefficient names as keys and numbers or numpy arrays as values to a dictionary with a Wilson coefficient name followed by underscore and numeric indices as keys and numbers as values. This is needed for the output in WCxf format."""

    d = {}
    for k, v in C.items():
        if np.shape(v) == () or np.shape(v) == (1,):
            d[k] = v
        else:
            ind = np.indices(v.shape).reshape(v.ndim, v.size).T
            for i in ind:
                name = k + '_' + ''.join([str(int(j) + 1) for j in i])
                d[name] = v[tuple(i)]
    return d