import numpy

def name(first, last):
    """Retrun full data of parameters"""
    full = first + " " + last
    full=full.lower().title().strip()
    return "Witaj: " + full


def get_numpy_arr(lst):
    """Returnes array of numpy package"""

    return numpy.array(lst)

if __name__ == "__main__":
    print(name('Krzysiek', 'Marut'))
    print(get_numpy_arr([1, 2, 3, 4, 5]))