notes qs and diagrams

Question 1

What does the format function do?

Answer 1

allows us to specify placeholder in a string, which can be replaced by some variable’s value

Question 2

how does python compare strings? what are the exceptions?

Answer 2

by alphabetical order, letters that come later in the alphabet are considered greater

exceptions:
Upper case comes before lower case
strings of digits are compared one character at a time
prefixes come before any word containing that prefix

Question 3

What is isalpha() ?

Answer 3

checks to see is all characters are in alphabet a-z

Question 4

What is mutability?

Answer 4

a type is mutable if it can be changed, immutable if not