Please write a Python program which accepts a sentence (input via keyboard), and convert uppercase letters to lowercase, and convert lowercase letters to uppercase, keep all other characters no change. For example: You input from keyboard: input:    "Welcome 2022 ! " output: "wELCOME 2022 ! "

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A: Lets analyse the binary search method for its complexity : -binary search takes, a sorted list A wit...

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A: What is the purpose of using a group clause?

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A: Ans:- True 

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A:

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A: answer is 

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A: use the typed data below. 

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Q: ethodology essay about matrices code in pytho

A: Lets see the solution.

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A: The answer is 

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A:

Q: expected?

A: given -  Do algorithms always perform as expected?

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A: answer for question 4 is given below

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A: Lets see the solution.

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Q: Set are ordered but not indexed True or false.

A: Correct option: True

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A: Intro The question is about reorganize data base and here is the solution in the next step.

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A: The name of the problem-solving strategy that is followed step by step is: Algorithm

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A: Linear Time (O(n)): In this, when the running time increases linearly with the length of the input a...

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A:

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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.