37 lines
926 B
Python
37 lines
926 B
Python
class SimpleIter4:
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def __init__(self, data):
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self.data = data
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self.result = []
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evens = [data[i] for i in range(0, len(data), 2)][::-1]
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odds = [data[i] for i in range(1, len(data), 2)]
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self.result = evens + odds
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self.index = 0
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def __iter__(self):
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return self
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def __next__(self):
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if self.index >= len(self.result):
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raise StopIteration
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val = self.result[self.index]
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self.index += 1
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return val
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while True:
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print("1 - Ввести список")
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print("0 - Выход")
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choice = input("Выбор: ")
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if choice == "0":
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break
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if choice == "1":
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try:
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data = input("Введите элементы через пробел: ").split()
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it = SimpleIter4(data)
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for x in it:
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print(x)
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except:
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print("Ошибка")
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