Exceptions

Common built-in exception types you will see while learning Python.

Exception	Typical cause
`SyntaxError`	Invalid Python syntax
`NameError`	Name not defined
`TypeError`	Wrong type for an operation
`ValueError`	Right type, wrong value
`IndexError`	Sequence index out of range
`KeyError`	Dict key missing
`AttributeError`	Missing attribute / method
`ZeroDivisionError`	Division by zero
`FileNotFoundError`	File path does not exist
`ImportError` / `ModuleNotFoundError`	Import failed
`StopIteration`	Iterator exhausted
`Exception`	Base for most errors

Example

try:
    print({"a": 1}["b"])
except KeyError as e:
    print("missing key:", e)