tmp

courses/python_func/higher_func.py

@@ -22,8 +22,16 @@ def compute_new(func_list, *args):
     return lst
 
 
-def filter_list(f: Callable, lst: list):
-    pass
+# def filter_list(f: Callable, lst: list):
+def filter_list(f, lst):
+    return [value for value in lst if f(value)]
+
+
+def filter_collection(f, collection):
+    lst = [value for value in collection if f(value)]
+    if isinstance(collection, str):
+        return ''.join(lst)
+    return type(collection)(lst)
 
 
 """Для теста"""
@@ -36,11 +44,26 @@ def inc(num):
 def dec(num):
     return num - 1
 
+def is_even(num):
+    return num % 2 == 0
+
+
 
 
 def main():
-    print(compute([inc, dec, square], 10, 20, 30, 40))
-    print(compute_new([inc, square, dec], 10, 20, 30, 40))
+    # print(compute([inc, dec, square], 10, 20, 30, 40))
+    # print(compute_new([inc, square, dec], 10, 20, 30, 40))
+
+    # numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+    # even_numbers = filter_list(is_even, numbers) # берем только четные
+    # print(even_numbers)
+
+    numbers = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
+    even_numbers = filter_collection(is_even, numbers)
+    print(even_numbers)
+
+    print(filter_collection(lambda x: x not in 'aeiou', 'I never heard those lyrics before'))
+
 
 if __name__ == '__main__':
     main()