Search notes:
Python: type
type(obj) returns the type of
obj. The returned value is an
object whose type is
type (that is:
type(type(x)) is
type).
#!/usr/bin/python3
print ( type( [] )) # <class 'list'>
print ( type( ['foo', 1 ] )) # <class 'list'>
print ( type( {} )) # <class 'dict'>
print ( type( '' )) # <class 'str'>
print ( type( 1 == 0 )) # <class 'bool'>
print ( type( True )) # <class 'bool'>
print ( type( str ('foo') )) # <class 'str'>
print ( type( bytes('foo', 'utf-8') )) # <class 'bytes'>
print ( type( 'bar' )) # <class 'str'>
print ( type( 0 )) # <class 'int'>
print ( type( 42 )) # <class 'int'>
print ( type( 42.42 )) # <class 'float'>
print ( type( None )) # <class 'NoneType'>
print ( type( lambda a: a )) # <class 'function'>
print ( type( type( 0 ) )) # <class 'type'>
print ( type( list )) # <class 'type'>
print ( type( dict )) # <class 'type'>
print ( type( type.__dict__ )) # <class 'mappingproxy'>
print ("---")
def f(): pass
print ( type( f.__code__ )) # <class 'code'>
async def a(): pass
aa = a()
print ( type(aa )) # <class 'coroutine'>
class class_A():
def method(self): pass
obj_a = class_A()
print ( type(class_A )) # <class 'type'>
print ( type(obj_a.method )) # <class 'method'>
print ( type(obj_a )) # <class '__main__.class_A'>
print ( type(obj_a) is class_A ) # True
class class_B(class_A): pass
instance_B=class_B();
print ( type(instance_B) is class_B ) # True
print ( type(instance_B) is class_A ) # False
print ( isinstance(instance_B, class_A)) # True
print ( isinstance(instance_B, class_B)) # True
print ( type( print )) # <class 'builtin_function_or_method'>
import sys
print ( type( sys.implementation )) # <class 'types.SimpleNamespace'>