How do I search dicts in Python safely and idiomatically?

In Python, dictionaries are a fundamental data structure used for storing key-value pairs. Searching through dictionaries can be done safely and idiomatically using built-in methods and constructs.

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This guide provides a safe and idiomatic approach to searching dictionaries in Python, ensuring efficient and readable code practices.

# Example of searching a dictionary safely my_dict = {'name': 'Alice', 'age': 30, 'city': 'New York'} # Using the .get() method to avoid KeyError age = my_dict.get('age', 'Not Found') city = my_dict.get('city', 'Not Found') print(f"Age: {age}, City: {city}") # Using 'in' to check for existence if 'name' in my_dict: print(f"Name: {my_dict['name']}")

Python dict dictionaries search idiomatic data structures key-value pairs