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# sets, see set_containment
for i in 1, 2:
for o in {1:2}, {1:2}.keys():
print("{} in {}: {}".format(i, str(o), i in o))
print("{} not in {}: {}".format(i, str(o), i not in o))
haystack = "supercalifragilistc"
for needle in [haystack[i:] for i in range(len(haystack))]:
print(needle, "in", haystack, "::", needle in haystack)
print(needle, "not in", haystack, "::", needle not in haystack)
print(haystack, "in", needle, "::", haystack in needle)
print(haystack, "not in", needle, "::", haystack not in needle)
for needle in [haystack[:i+1] for i in range(len(haystack))]:
print(needle, "in", haystack, "::", needle in haystack)
print(needle, "not in", haystack, "::", needle not in haystack)
print(haystack, "in", needle, "::", haystack in needle)
print(haystack, "not in", needle, "::", haystack not in needle)
# containment of bytes/ints in bytes
print(b'' in b'123')
print(b'0' in b'123', b'1' in b'123')
print(48 in b'123', 49 in b'123')
# containment of int in str is an error
try:
1 in '123'
except TypeError:
print('TypeError')
# until here, the tests would work without the 'second attempt' iteration thing.
for i in 1, 2:
for o in [], [1], [1, 2]:
print("{} in {}: {}".format(i, o, i in o))
print("{} not in {}: {}".format(i, o, i not in o))
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