Create failure_percent.py

Author: grootwo

programmers/Lv.1/failure_percent.py

@@ -0,0 +1,11 @@
+def solution(N, stages):
+    stage_people = {}
+    for stage in stages:
+        if stage in stage_people:
+            stage_people[stage] += 1
+        else:
+            stage_people[stage] = 1
+    answer = []
+    for stage in list(stage_people.keys()):
+        # 여기서 정렬하려면 list의 sort가 나아보인다.
+    return answer