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In Python, implement a stack data structure that uses a linked list for storing its elements. In particular, you will need to implement the following three functions: 1. top(): This function returns the element that is at the top of the stack, but it does not modify the stack in any way. 2. pop(): This function returns the element that is at the top of the stack, and removes it. The next time pop() is called, the next element will be returned. 3. push(element): A new element is added to the top of the stack. The next time pop() is called, this element will be the one returned (unless another element is pushed onto the stack after this one). Be sure to include the following code (more, if desired) to test your program: The function printStack() is not required for this assignment. However, if you want to implement it to ensure that your stack is working you can. >>> push(44) >>> push(18) >>> push(94) >>> push(72) >>> printStack() 72 94 18 44 >>> pop() 72 >>> pop() 94 >>> pop() 18 >>> pop() 44 >>> pop() >>> top() >>> push(5) >>> push(21) >>> pop() 21 >>> push(17) >>> printStack() 17 5 def top(): def pop(): def push(element):
Then, after the functions, read in the initial number for generating the sequences. Here, check that it is a positive integer. If it is not, give an error message and exit the program.
Design a function that accepts an integer argument and returns the sum of all the integers from 1 up to the number passed as an argument. For example, if 50 is passed as an argument, the function will return the sum of 1, 2, 3, 4, . . . 50. Use recur..
This programming project will be a simple, working program, using Python language, which utilizes a good design process and includes:Sequential, selection, and repetitive programming statements as well as,At least one function call.
The program is to print the time in seconds that the iterative version takes, the time in seconds that the recursive version takes, and the difference between the times.
Write a program that creates a dictionary containing the U.S. states as keys and their capitals as values. The program should then randomly quiz the user by displaying
How can you turn the turtle image into a .gif picture when using the built-in turtle for Python? If that's impossible how do you remove the line when you move the turtle around?
The data file is a comma separated text values stored in a file with '.CSV' extension. The file has five columns corresponding to employee data fields listed above.
Prepare a Python program which evaluates how many stuck numbers there are in a range of integers. The range will be input as two command-line arguments.
the program will ask you to insert the year that the user is interested in, then ask the gender that the user is interested in, and print out the most popular names corresponding to the year and gender. FYI, the number on the right represents how man..
Write a program for checking a circle program must either print "is a circle: YES" or "is a circle: NO", appropriately.
Needless to say, the dictionary order based on the ASCII order is not what a real-world indexing software wants. So, we want to implement the dictionary order of strings in the standard wa
Fill in the Python code to play Tic Tac Toe. I won't award points unless it runs succesfully. # Tic-Tac-Toe Game def drawBoard(board): # Draws the board using the list of numbers print(" ") print(" ",board[0]," | ",board[1]," | ", board[2]) print("--..
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