Python
Calculating Averages for Student Grades
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This code calculates the average grade for each student in a dataframe.
Calculating Percent Change in Stock Prices
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To calculate the percent change in stock prices, we can simply subtract the stock price on the previous day from the stock price on the current day, and divide by the previous day's stock price .
Counting the occurrences of integers in a list
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Given a list of integers, this function will return a dictionary with the integers as keys and the number of times each integer appears in the list as values.
Tower of Hanoi
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The Tower of Hanoi is a classic puzzle in which disks are moved from one peg to another, without ever placing a larger disk on top of a smaller one.
Tower of Hanoi
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The Tower of Hanoi is a puzzle in which the objective is to move a stack of disks from one rod to another, obeying certain rules. This problem asks for the sequence of moves required to solve the puzzle for a given number of disks.
Solving the Tower of Hanoi Problem
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The goal of the Tower of Hanoi problem is to move all disks from the first tower to the third tower, such that each disk is on top of a larger disk. You can only move one disk at a time, and you can only move a disk to the top of another tower if that tower has no disks on it, or if the top disk on that tower is larger than the disk you are trying to move.
Python Class for a Stack Data Structure
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This technical problem deals with implementing a stack data structure in Python using a class. The class should have two methods: push, which adds an item to the top of the stack, and pop , which removes and returns the top item from the stack. If the stack is empty, pop should raise an IndexError.
Sum integers greater than or equal to 10
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This technical problem deals with finding the sum of integers greater than or equal to 10 in a given list. An example input and output are provided in the problem statement.
