Exam 3 Topics
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Strings
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String Basics (including immutability)
String Concatenation
String Repetition
Empty Strings
Indexing a String
Slicing Strings
String Formatting
String Methods (including str())
String Comparisons and Operators
split() and join()
Looping and Strings


Lists
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Lists Properties and Operations
+ len()
+ List slicing
Lists Methods
Lists and Loops
Cloning/Copying Lists
Objects and References
Lists with Functions
Multidimensional Lists


Files
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File basics
+ Relative paths and absolute paths
+ Unix/Linux/macOS and Windows filenames
Four steps for using a file
Opening Files
+ Modes
Writing to Files
Reading from Files
+ read()
+ readline()
+ readlines()
Closing a file
Using a loop to process a file


Exceptions
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try-except statements


Dictionaries
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Dictionary Basics
+ Dictionaries Definition
+ Empty Dictionaries
+ Adding Key-value Pairs into Dictionaries
+ Accessing a Value in a Dictionary
+ Initializing a Dictionary
+ Displaying a Dictionary
+ Removing a Key-value Pair from a Dictionary
+ Dictionary Methods
+ in Operator
+ Aliasing Dictionaries
+ Copies Dictionaries
Benefits of using dictionaries