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Python: type() function

type() function

The type() function is used to get the type of an object.

Version:

(Python 3.2.5)

Syntax:

type(object)
type(name, bases, dict)

Parameter:

Name Description
object An object.
name The name string is the class name and becomes the __name__ attribute.
base The base classes.
dict The namespace with the definition for the class.

Return value:

A type object.

Example: Python type() function

d = {65: 'A', 66: 'B', 67: 'C'}
print(type(d))

l = [1, 2, 3, -12, 0]
print(type(l))

class Foo:
    x = 100

a = Foo()
print(type(a))

Output:

<class 'dict'>
<class 'list'>
<class '__main__.Foo'>

Example: type() function using name, base and dict parameters

r = type('A', (object,), dict(f='Foo', x=5))
print(type(r))
print("-------------------------------")
print(vars(r))

Output:

<class 'type'>
------------------------------- 
{'__module__': '__main__', 'f': 'Foo',
'__doc__': None, 'x': 5, '__weakref__': 
<attribute '__weakref__' of 'A' objects>, 
'__dict__': <attribute '__dict__' of 'A' 
objects>}'>

Python Code Editor:

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Python: Tips of the Day

Returns the symmetric difference between two lists, after applying the provided function to each list element of both:

Example:

def tips_symmetric_difference_by(p, q, fn):
  _p, _q = set(map(fn, p)), set(map(fn, q))
  return [item for item in p if fn(item) not in _q] + [item for item in q if fn(item) not in _p]
from math import floor
print(tips_symmetric_difference_by([4.2, 2.4], [4.6, 6.8],floor))

Output:

[2.4, 6.8]

 

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