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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 is_valid_array(array, events, slots):
 """Take a schedule in array form and return whether it is a valid solution for the given constraints Parameters array : np.array a schedule in array form events : list or tuple of resources.Event instances slots : list or tuple of resources.Slot instances Returns ------- bool True if array represents a valid solution """


    if len(array) == 0:
        return False
    violations = sum(1 for c in (array_violations(array, events, slots)))
    return violations == 0