blob: 28468fef526bb5ac00db74de9677e0758b6f4d0c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
import sys
def flatten(values):
return flat_map(lambda x: x, values)
def unique(values):
output = []
seen = set()
for value in values:
if value not in seen:
seen.add(value)
output.append(value)
return output
def flat_map(func, values):
return [
element
for value in values
for element in func(value)
]
def find_index(predicate, values):
for index, value in enumerate(values):
if predicate(value):
return index
if sys.version_info[0] == 2:
map = map
filter = filter
else:
import builtins
def map(*args, **kwargs):
return list(builtins.map(*args, **kwargs))
def filter(*args, **kwargs):
return list(builtins.filter(*args, **kwargs))
|
