Write a program to swap the values of two variables. The program will ask the user to input variables x and y with numerical values. You must write code that exchanges their values: the value of x after your code runs must equal the value that y had before your code ran, and the value of y after your code runs must equal the value that x had before your code ran.
寫一個交換兩個變數的程式
Example input:
3 5
Example output:
5 3
Remember: Your output may be 100% correct, but your code matters!
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