add homework

gemstone.py

+def numJewelsInStones(J, S):
+    J_length = len(J)
+    S_length = len(S)
+    if J_length > 50 or S_length > 50:
+        print("字符长度超长")
+    count = 0
+    for s in S:
+        if s in J:
+         count = count + 1
+    return count
+
+print(numJewelsInStones("ba", "aAAbbbb"))
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