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easyNon Linear Data Structures

A developer checks whether a value is present in a dict using the in operator. What does this print, and what does in actually test on a dict?

Code
config = {"model": "bert", "lr": 0.001, "epochs": 10}

print("model" in config)
print(0.001 in config)
print("bert" in config)
print(0.001 in config.values())
print(("model", "bert") in config.items())
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