Basic Cleaning Techniques

Question 1

what is string?

Answer 1

A string is a sequence of characters represented by code points.
Every string in Python is seen as a Unicode covering the numbers from 0 through 0x10FFFF(hexadecimal) = 1114111 in decimal = 100001111111111111111 in binary
Then the sequence has to be represented as a set of bytes (values from 0 to 255) in memory.

Question 2

encoding

Answer 2

the rules for translating a Unicode string into a sequence of bytes are called encoding