28 lines
620 B
Python
28 lines
620 B
Python
def append(list1, list2):
|
|
result = []
|
|
for item in list1 :
|
|
result = result + [item]
|
|
for item in list2 :
|
|
result = result + [item]
|
|
return result
|
|
def concat(lists):
|
|
result = []
|
|
for item in lists:
|
|
result = append(result, item)
|
|
return result
|
|
def filter(function, list):
|
|
res = []
|
|
if function(item) :
|
|
res = res + item
|
|
return res
|
|
def length(list) :
|
|
counter = 0
|
|
for item in list:
|
|
counter = counter + 1
|
|
return counter
|
|
def map(function, list) :
|
|
res = []
|
|
for item in list:
|
|
res = [function(item)] + res
|
|
return res
|
|
|