To check whether a key exists in a dictionary, you can use:⦿ The in keyword⦿ The keys () method⦿ The get() method⦿ The has_key() ... ... <看更多>
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To check whether a key exists in a dictionary, you can use:⦿ The in keyword⦿ The keys () method⦿ The get() method⦿ The has_key() ... ... <看更多>