Data does not have to be numbers. Text is also a useful data type, which is called string Unlike integer and float data types, strings are enclosed in single or double quotation marks (
' ' or
You can perform operation on strings:
"Hello" + " mary">> Hello marystring1 = "Hello"string2 = " Eric"string1 + string2>> Hello Eric
You can find out the length of a string (e.g. how many letters) as follow:
len('hello')>> 5string2 = " Eric"len('Hello'+string2)>> 10
len() is a function. A function does some useful work on the an input (content inside the bracket; in this case, the string "
hello") and outputs something (e.g. an integer showing the length of the string)