Python dictionaries and user input

**python dictionaries and user input**

dictionaries in python are a collection of key-value pairs. each key is unique and associated with a value. dictionaries are mutable, meaning you can add, update, and delete key-value pairs.

user input in python allows you to interact with your program by accepting input from the user during runtime. this input can be stored in variables and used in your program.

**creating a dictionary:**
you can create a dictionary in python using curly braces `{}` and specifying key-value pairs separated by a colon `:`. here's an example:

**accessing values in a dictionary:**
you can access values in a dictionary using the associated key. here's how you can access the value of the "name" key in the dictionary `my_dict`:

**adding and updating values in a dictionary:**
you can add new key-value pairs or update existing values in a dictionary. here's an example:

**user input in python:**
to get user input in python, you can use the `input()` function. the `input()` function reads a line from the user and returns it as a string. here's an example of getting user input for their name and age and storing it in a dictionary:

when you run the above code, the program will prompt the user to enter their name and age. the input values will be stored in the `user_info` dictionary and then displayed back to the user.

i hope this tutorial helps you understand python dictionaries and user input better! let me know if you have any questions.

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