Strings

5.1 Indexing Indexing Indexing and Printing Characters in a String Check Your Understanding Exercise: Tuna Sandwich
5.2 Slicing Slicing Syntax of a Slice Slicing and Concatenating Groups of Characters Check Your Understanding Exercise: Replace a Letter
5.3 Immutability Immutability What you CAN do What you CAN'T do String Immutability Check Your Understanding Exercise: Find the Error
5.4 Strings and For Loops Strings and For Loops Using the Number of Characters Using the len Function Using the in Keyword String For Loop with Characters Check Your Understanding Exercise: Spelling Bee
5.5 The in Keyword The in Keyword Finding a Letter Using Literals Finding Substrings Contains a Letter Check Your Understanding Exercise: Contains a Vowel
5.6 String Methods String Methods upper and lower isupper and islower swapcase strip find Check Your Understanding Exercise: What's in a Name