Bodo Schönfeld niftycode

## map-reduce-filter-flatMap.swift
//reduce
//Use reduce to combine all items in a collection to create a single new value.

let numbers = [1, 3, 5, 7, 9]
//sum all values from the array (+)
let result = numbers.reduce(0, +)
//sum all values from the array (+) plus one
let result2 = numbers.reduce(1, +)
let result3 = numbers.reduce(1, *)

## roll_ipython_in_aws.md

      
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                iamatypeofwalrus
                / roll_ipython_in_aws.md
            
            
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              January 22, 2024 11:18
            
              
                Create an iPython HTML Notebook on Amazon's AWS Free Tier from scratch.
              
          
    What

Roll your own iPython Notebook server with Amazon Web Services (EC2) using their Free Tier.
What are we using? What do you need?


An active AWS account. First time sign-ups are eligible for the free tier for a year
One Micro Tier EC2 Instance
With AWS we will use the stock Ubuntu Server AMI and customize it.
Anaconda for Python.
Coffee/Beer/Time
	//reduce
	//Use reduce to combine all items in a collection to create a single new value.

	let numbers = [1, 3, 5, 7, 9]
	//sum all values from the array (+)
	let result = numbers.reduce(0, +)
	//sum all values from the array (+) plus one
	let result2 = numbers.reduce(1, +)
	let result3 = numbers.reduce(1, *)