Ubuntu

Ubuntu is an African word that literally means “humanity to others .” Ubuntu is a complete Linux operating system . Ubuntu was a try to take the Debian Linux OS and make it user friendly with a GUI . Developed by Canonical Ltd , It has a few basic philosophical principles , Ubuntu will always […]

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Conditionals and Loops

Control flow syntax makes use of colons and indentation or else know as white space. if some condition ,then execute some code. elif some other condition, then execute some other code. else if none of the above conditions are true , then execute some other code by default = if x: #it equates it to […]

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How a bitcoin transaction works

1. A user needs to open the wallet application and attempt to send the a certain crypto from sender to recipient .2. This transaction now awaiting to be picked up ,it hovers in a ‘pool of unconfirmed transaction’3. Miners on the network select transactions from these pools and form them into a ‘block’.4. By selecting […]

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Block Chain

it is immutable ,sequential chain of records called Blocks. They can contain transactions,files or any data you like .They are chained together using hashes. It uses hash functions :it takes in input value and that creates an out put value deterministic of the input value. It takes an input and outputs a hash . A […]

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Useful operators

range(): for num in range(starting_value,ending_value,increment)ending value is not considered inside the num range generates the number instead of storing it in a list.. Enumerate What it does is it returns an index counter with the data value in a loop .for egword=’abcde’for index,letter in enumerate(word): print(index) print(letter) zip (): just like a zipper it will […]

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Python data types

LIST list are ordered sequences ,which can hold variety of object types , it’s also mutable . They are represented by [],and ‘,’ is used to separate objects .It supports indexing and slicing . my_list=[‘kaka’,100,6.42]1.len(my_list) = 32.my_list[0] = ‘kaka’3.my_list[1:] = [100,6.42]4.my_list.append(‘element’) = adds the element at the end of the list 5.my_list.pop() = removes the […]

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How to open a Jupyter Notebook

Once you have python and the jupyter notebooks installed you are ready to open the notebooks using the following steps: First open up your Command Prompt (search for cmd on a Windows machine) or if you are on a Mac use your terminal (Spotlight search for terminal). Next in you terminal/command prompt type pwd and press enter (this will […]

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