43 lines
707 B
Python
43 lines
707 B
Python
def append(list1, list2):
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result = []
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for element in list1:
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result.append(element)
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for element in list2:
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result.append(element)
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return result
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def concat(lists):
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result = []
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for current_list in lists:
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for element in current_list:
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result.append(element)
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return result
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def filter(function, seq):
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result = []
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for element in seq:
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if function(element):
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result.append(element)
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return result
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def lenght(seq):
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count = 0
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for element in seq:
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count += 1
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return count
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def map(function, seq):
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result = []
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for element in seq:
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result.append(function(element))
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return result
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