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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 rept(ctx, text, number_times):
 """ Repeats text a given number of times """

    if number_times < 0:
        raise ValueError("Number of times can't be negative")
    return conversions.to_string(text, ctx) * conversions.to_integer(number_times, ctx)