Python notes

Nov, 11 2024

Unpack unknown number of return values

foo, bar, *rest = func()

Delete items from a dictionary

del d['key']        # Raises KeyError if key not in d
d.pop('key')        # Returns popped value. Raises KeyError if key not in d
d.pop('key', None)  # Returns popped value. None is default value if key not in d

Convert bytes to a string

b'hello'.decode('utf-8')
b'hello'.decode()  # utf-8 is default encoding