Add solved numberGame

Author: HyewonKkang

Programmers/level3/numberGame.py

@@ -0,0 +1,14 @@
+def solution(A, B):
+    answer = 0
+    A.sort()
+    B.sort()
+    a, b = 0, 0
+    l = len(A)
+    while a < l and b < l:
+        if A[a] < B[b]:
+            answer += 1
+            a += 1
+            b += 1
+        else:
+            b += 1
+    return answer