In [1]:

    

print(isinstance('string', str))


    

    




True

In [2]:

    

print(isinstance(100, str))


    

    




False

In [3]:

    

print(isinstance(100, (int, str)))


    

    




True

In [4]:

    

def is_str(v):
    return isinstance(v, str)


    

In [5]:

    

print(is_str('string'))


    

    




True

In [6]:

    

print(is_str(100))


    

    




False

In [7]:

    

print(is_str([0, 1, 2]))


    

    




False

In [8]:

    

def is_str_or_int(v):
    return isinstance(v, (int, str))


    

In [9]:

    

print(is_str_or_int('string'))


    

    




True

In [10]:

    

print(is_str_or_int(100))


    

    




True

In [11]:

    

print(is_str_or_int([0, 1, 2]))


    

    




False

In [12]:

    

def type_condition(v):
    if isinstance(v, str):
        print('type is str')
    elif isinstance(v, int):
        print('type is int')
    else:
        print('type is not str or int')


    

In [13]:

    

type_condition('string')


    

    




type is str

In [14]:

    

type_condition(100)


    

    




type is int

In [15]:

    

type_condition([0, 1, 2])


    

    




type is not str or int

In [16]:

    

class Base:
    pass

class Derive(Base):
    pass


    

In [17]:

    

base = Base()
print(type(base))


    

    




<class '__main__.Base'>

In [18]:

    

derive = Derive()
print(type(derive))


    

    




<class '__main__.Derive'>

In [19]:

    

print(type(derive) is Derive)


    

    




True

In [20]:

    

print(type(derive) is Base)


    

    




False

In [21]:

    

print(isinstance(derive, Derive))


    

    




True

In [22]:

    

print(isinstance(derive, Base))


    

    




True

In [23]:

    

print(type(True))


    

    




<class 'bool'>

In [24]:

    

print(type(True) is bool)


    

    




True

In [25]:

    

print(type(True) is int)


    

    




False

In [26]:

    

print(isinstance(True, bool))


    

    




True

In [27]:

    

print(isinstance(True, int))


    

    




True