Python 3 tutorial how to use lambda in list and dictionaries

lambda functions in python are anonymous functions that are defined using the `lambda` keyword. they are commonly used when a simple function is required for a short period of time. lambda functions can be used in conjunction with lists and dictionaries to perform operations like filtering, mapping, and sorting.

here is a tutorial on how to use lambda functions in lists and dictionaries in python 3 with code examples:

**using lambda in lists:**

1. **filtering with lambda:**
lambda functions can be used with the `filter()` function to filter elements in a list based on a condition.

2. **mapping with lambda:**
lambda functions can be used with the `map()` function to apply a function to each element in a list.

**using lambda in dictionaries:**

1. **sorting dictionaries by value:**
lambda functions can be used with the `sorted()` function to sort dictionaries based on their values.

2. **filtering dictionaries:**
lambda functions can be used with dictionary comprehensions to filter items in a dictionary.

lambda functions are powerful tools in python for writing concise and functional code. by understanding how to use lambda functions with lists and dictionaries, you can efficiently manipulate data structures in your python programs.

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