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Question 502
Push and Peek
Push and Peek
Astack<int>namedshas already been created in main. Push the values 1, 2 and 3 onto it in that order, then print the element that is on top of the stack. Print exactly what is shown in Expected Output.
Expected Output:
Top: 3= newline. The output ends with a newline — print one after the last line.
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