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Month: August 2022

Python>>String Interpolation and Formatting

Posted on August 31, 2022August 31, 2022 by coden00b

String Interpolation is a process substituting values of variables into placeholders in a string Few methods as follow: a. .format() = is for simple positional formatting that  uses to  substitute in place of braces {}. Example: >> print (‘Welcome to {}’.format(‘ Linux Tutorials’)) Welcome to Linux Tutorials >> title = “Linux Tutorials” >>> print(‘Welcome to…

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Python>>String Methods

Posted on August 29, 2022August 29, 2022 by coden00b

Here are some common String Methods or Attributes that you can use in modifying strings. Assuming x is the string: a. x.upper()  – converts to upper case > x = ‘Free Linux Tutorials’ >>> x.upper() ‘FREE LINUX TUTORIALS’ >>> print(x) Free Linux Tutorials >>> y = x.upper() >>> print (y) FREE LINUX TUTORIALS   b….

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Python>>String Concatenation

Posted on August 29, 2022August 29, 2022 by coden00b

String concatenation is simply adding strings together. Here are sample String Concatenation: Sample1: >> a = ‘Free’ >>> b = ‘Linux’ >>> c = ‘Tutorials’ >>> a + b + c ‘FreeLinuxTutorials’ >>> d = a + b + c >>> print (d) FreeLinuxTutorials >>> Sample2: >>> a = ‘Welcome’ >>> b = ‘to my’…

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Python>>Strings: Indexing and Slicing

Posted on August 23, 2022August 24, 2022 by coden00b

I will be showing more examples of indexing and slicing as a form of my practice to familiarize this. From the previous lesson/posts, the syntax for slicing as follows: string[start : end : step] Example1: (Indexing and Slicing in Strings) W r i t e C o d e O n l i n e…

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Python>>Data Type:Strings

Posted on August 23, 2022 by coden00b

Strings are text type and are sequences of character data. It is represented by quotation marks, either single or double quotes. Example: “Hello” ‘What is your name?’ >>> “Hello” ‘Hello’ >>> x = ‘What is your name?’ >>> print (x) What is your name? >>> Some key notes: 1.Escape sequences in strings = use backslash…

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Python>>Data Type:Float

Posted on August 23, 2022August 23, 2022 by coden00b

Floating point number is real numbers with decimal point (.)or fractional part. It can be positive or negative. Example: 5678.90 -2.88 0.99 >>> z = -1.234 >>> type(z) <class ‘float’> Let’s do arithmetic: >>> x = 8+8.1 >>> print (x) 16.1 >>> print (type(x)) <class ‘float’> Some key notes: 1. numbers separated with underscore can…

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Python>>Data Type:Integer

Posted on August 23, 2022August 23, 2022 by coden00b

Integers or Int are whole numbers without the decimal point or fractional part. It can be positive or negative or zero.It can be binary, octal or hexadecimal values. Let’s do mathematical calculation: Arithmetic operators:   addition = + subtraction = – multiplication = * division = / modulus = % exponent = ** floor division…

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Basic Data Types in Python

Posted on August 23, 2022 by coden00b

There are few data types in Python namely: integers (int) – numeric type, whole numbers (can be positive or negative), e.g. 1,2,3 floating (float) – numeric type,numbers with decimal point, e.g. 1.1, 2.20, 3.450 complex (complex) – numeric type, real + imaginary,e.g. 5+6q strings (str) – text type, sequences of characters,e.g. “Euan”, “1234” dictionaries (dict)…

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The immortal “Hello World”

Posted on August 23, 2022 by coden00b

To test our setup, we will going to run the very simple print code, and there’s no other contents better than the word “Hello World” Our very first code of course: print (‘Hello world’) Note: -it will be inside the open and close parenthesis -can use single or double quote There are few ways (in Window) 1….

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Show me the Tools

Posted on August 23, 2022August 23, 2022 by coden00b

Trying to document as much as possible on what tools or apps am I going to use to learn Python.I’m running dual boot OS on my laptop and I switch once in a while OS: Windows 10 Pro 64-bitUbuntu Linux 20.04 LTS Kernel 5.110-25-generic x86_64Tools: Jupyter Notebook via Anaconda.com (Individual Edition) it comes with the following apps…

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Recent Posts

  • Python Project1: Guess Number
  • The Zen of Python
  • Python>>String Interpolation and Formatting
  • Python>>String Methods
  • Python>>String Concatenation

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