An introduction to the Strings data type in Python
A string is a sequence of one or more characters (letters, numbers, symbols) that can be either a constant or a variable. Strings exist within either single quotes ' or double quotes " in Python, so to create a string, enclose a sequence of characters in quotes:
'This is a string in single quotes.'
"This is a string in double quotes."
You can choose to use either single quotes or double quotes, but whichever you decide on you should be consistent within a program.
The simple program “Hello, World!” demonstrates how a string can be used in computer programming, as the characters that make up the phrase Hello, World! are a string.
As with other data types, we can store strings in variables:
hw = "Hello, World!"
And print out the string by calling the variable:
hw = "Hello, World!" print(hw)
Like numbers, there are many operations that we can perform on strings within our programs in order to manipulate them to achieve the results we are seeking. Strings are important for communicating information to the user, and for the user to communicate information back to the program.
Write a program that prints your name on the screen.
Write a program that stores your name as a variable and prints it to the screen.
Write a program that prints your name twice, once using double quotes in a variable and one using single quotes in a variable.
Thanks [name] from [whichclass][location], Mr McG will get your message…"
[message]"…and will get back to you ASAP via [email]. Catch you soon.
Have a great day!!
K McGuinness - 2018
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