回答編集履歴
2
修正
answer
CHANGED
|
@@ -3,5 +3,5 @@
|
|
|
3
3
|
l = [[103, 0.01], [345, 0.06], [654, 0.02], [987, 0.01]]
|
|
4
4
|
sm = sum(map(lambda x:x[0]*x[1], l))
|
|
5
5
|
print(sm / sum(l[n][1] for n in range(len(l))))
|
|
6
|
-
# 446.8000000000001
|
|
6
|
+
# 446.8000000000001 ≒ 446.8
|
|
7
|
-
```
|
|
7
|
+
```
|
1
修正
answer
CHANGED
|
@@ -4,4 +4,4 @@
|
|
|
4
4
|
sm = sum(map(lambda x:x[0]*x[1], l))
|
|
5
5
|
print(sm / sum(l[n][1] for n in range(len(l))))
|
|
6
6
|
# 446.8000000000001
|
|
7
|
-
```
|
|
7
|
+
```すこしずれました。
|