In this chapter you’ll:
Understand the notions of files and persistent data.
Read, write and update files.
Read and write CSV files, a common format for machine-learning datasets.
Serialize objects into the JSON data-interchange format—commonly used to transmit over the Internet—and deserialize JSON into objects.
Use the with
statement to ensure that resources are properly released, avoiding “resource leaks.”
Use the try
statement to delimit code in which exceptions may occur and handle those exceptions with associated except
clauses.
Use the try
statement’s else
clause to execute code when no exceptions occur in the try
suite.
Use the try
statement’s finally
clause to execute code regardless of whether an exception occurs in the try
.
raise
exceptions to indicate runtime problems.
Understand the traceback of functions and methods that led to an exception.
Use pandas to load into a DataFrame
and process the Titanic Disaster CSV dataset.
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