1# check that interned strings are compared against non-interned strings
2
3di = {"key1": "value"}
4
5# lookup interned string
6k = "key1"
7print(k in di)
8
9# lookup non-interned string
10k2 = "key" + "1"
11print(k == k2)
12print(k2 in di)
13
14# lookup non-interned string
15print("".join(['k', 'e', 'y', '1']) in di)
16