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2.1 Indexing
             
            
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                    Video
                    2.1.1 Indexing
                
             
            
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                    Check for Understanding
                    2.1.2 Indexing
                
             
            
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                    Example
                    2.1.3 Characters in a String
                
             
            
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                    Video
                    2.1.4 Unit Tests
                
             
            
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                    Practice
                    2.1.5 Initials
                
             
            
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                    Practice
                    2.1.6 Sandwich Sandwiches
                
             
            
            
            
            
            
            
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2.2 Slicing
             
            
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                    Video
                    2.2.1 Slicing
                
             
            
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                    Check for Understanding
                    2.2.2 Slicing
                
             
            
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                    Example
                    2.2.3 Groups of Characters
                
             
            
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                    Example
                    2.2.4 String Collage
                
             
            
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                    Example
                    2.2.5 Room Names
                
             
            
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                    Practice
                    2.2.6 If You're Not First, You're Last
                
             
            
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                    Practice
                    2.2.7 Part 1, Replace a Letter
                
             
            
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                    Practice
                    2.2.8 Part 2, Replace a Letter
                
             
            
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                    Badge
                    2.2.9 Slicing Badge
                
             
            
            
            
            
            
            
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2.3 Immutability
             
            
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                    Video
                    2.3.1 Immutability
                
             
            
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                    Check for Understanding
                    2.3.2 Immutability
                
             
            
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                    Example
                    2.3.3 String Immutability
                
             
            
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                    Exercise
                    2.3.4 Find the Error
                
             
            
            
            
            
            
            
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2.4 Strings and For Loops
             
            
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                    Video
                    2.4.1 Strings and For Loops
                
             
            
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                    Check for Understanding
                    2.4.2 Strings and For Loops
                
             
            
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                    Example
                    2.4.3 The len Function
                
             
            
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                    Practice
                    2.4.4 Length of User's Name
                
             
            
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                    Example
                    2.4.5 String For Loop with Indices
                
             
            
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                    Example
                    2.4.6 String For Loop with Characters
                
             
            
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                    Exercise
                    2.4.7 Spelling Bee
                
             
            
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                    Practice
                    2.4.8 Keeping Count
                
             
            
            
            
            
            
            
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2.5 The in Keyword
             
            
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                    Video
                    2.5.1 The in Keyword
                
             
            
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                    Check for Understanding
                    2.5.2 The in Keyword
                
             
            
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                    Example
                    2.5.3 Contains a Letter
                
             
            
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                    Example
                    2.5.4 Contains a Substring
                
             
            
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                    Practice
                    2.5.5 Contains a Vowel
                
             
            
            
            
            
            
            
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2.6 String Methods
             
            
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                    Video
                    2.6.1 String Methods
                
             
            
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                    Check for Understanding
                    2.6.2 String Methods
                
             
            
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                    Example
                    2.6.3 upper and lower
                
             
            
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                    Practice
                    2.6.4 ENTHUSIASM!
                
             
            
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                    Example
                    2.6.5 swapcase
                
             
            
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                    Example
                    2.6.6 strip
                
             
            
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                    Example
                    2.6.7 find
                
             
            
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                    Practice
                    2.6.8 What's in a Name?
                
             
            
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                    Practice
                    2.6.9 Part 1, Remove All From String
                
             
            
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                    Exercise
                    2.6.10 Part 2, Remove All From String
                
             
            
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                    Survey
                    2.6.11 Mindset Survey 3
                
             
            
            
            
            
            
            
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2.7 Strings Quiz
             
            
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                    Unit Quiz
                    2.7.1 Strings Quiz
                
             
            
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                    Badge
                    2.7.2 Strings Badge