Challenge set 4.ipynb

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    "# Challenge Set 4"
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    "__4.1__ For this exercise, we will keep track of when our friend’s birthdays are, and be able to find that information based on their name. Create a dictionary (in your file) of names and birthdays. When you run your program it should ask the user to enter a name, and return the birthday of that person back to them. The interaction should look something like this:\n",
    "\n",
    "```\n",
    ">>> Welcome to the birthday dictionary. We know the birthdays of:\n",
    "Albert Einstein\n",
    "Benjamin Franklin\n",
    "Ada Lovelace\n",
    ">>> Who's birthday do you want to look up?\n",
    "Benjamin Franklin\n",
    ">>> Benjamin Franklin's birthday is 01/17/1706.\n",
    ">>> \n",
    "```"
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    "__4.2__ Implement a function that takes as input three variables, and returns the largest of the three. Do this without using the Python max() function!\n",
    "\n",
    "The goal of this exercise is to think about some internals that Python normally takes care of for us. All you need is some variables and if statements!"
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    "__4.3__ Create a python program to compute the collatz series for any given integer value < 100.\n",
    "\n",
    "ie i = 73, now print out what the collatz sequence would be...\n",
    "\n",
    " \n",
    "\n",
    "Read about it here:\n",
    "\n",
    "https://en.wikipedia.org/wiki/Collatz_conjecture (Links to an external site.)Links to an external site."
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    "__4.4__ Create a program that allows the user enter a sales record (which includes customer number, name, sales amount and a tax code).\n",
    "\n",
    "__tax code\ttax amount__  \n",
    "NRM\t6%  \n",
    "NPF\t0%  \n",
    "BIZ\t4.5%\n",
    "\n",
    "The program should output a total that includes the tax owed (if any)."
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    "__4.5__ \n",
    "Write a program that prints the numbers from 1 to 100. But for multiples of three print “Fizz” instead of the number and for the multiples of five print “Buzz”. For numbers which are multiples of both three and five print “FizzBuzz”."
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