[에러/예외처리] Error handling

Python Built-in Exceptions

• IndexError: list index out of range
• ValueError: invalid literal for (e.g. int("a"))
• NameError: name is not defined
• ZeroDivisionError: division by zero
• KeyError: a dictionary key is not found

Raising Exceptions

def do_something_with_number(n):
 if n < 0 :
 	raise ValueError("negative number is given")

Handling Exception : try / exception statement

Code that can cause an exception is included in a try block.