# Python list method pop() removes<br /> # and returns last object or obj from the list.<br /> # .pop() last element .pop(0) first element</p> <p>my_list = [123, ‘Add’, ‘WorldLinkAnswers’, ‘Answer’];<br /> print “Pop default: “, my_list.pop()<br /> > Pop default: Answer<br /> # List updated to [123, ‘Add’, ‘WorldLinkAnswers’]<br /> print “Pop index: “, my_list.pop(1)<br /> > Pop index: Add<br /> # List updated to [123, ‘WorldLinkAnswers’]

a = [20, 30, 50, 40, 12]<br /> b = a.pop(2)<br /> print(a); print(b)<br /> # [20, 30, 40, 12]<br /> # 50

#pop removes the last element<br /> li=[1,2,3,4,5]<br /> li.pop()<br /> #>>>[1, 2, 3, 4]<br />

#pop() function<br /> L1 = [20,4,-6,38,-12]<br /> print(‘ pop’, L1.pop())<br /> print(‘List ‘, L1)<br /> x=L1.pop(2)<br /> print(‘ popped:’, x)<br /> print(‘final List :’, L1)<br /> #output:<br /> pop -12<br /> List [20, 4, -6, 38]<br /> popped: -6<br /> final List : [20, 4, 38]

# Python pop list</p> <p>some_list = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] # normal python list<br /> print(some_list) # prints [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]</p> <p>some_list.pop() # pop() is used to pop out one index from a list (default index in pop is -1)<br /> print(some_list) # prints [1, 2, 3, 4, 5, 6, 7, 8, 9]</p> <p>=====================================================<br /> # Output:<br /> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]<br /> [1, 2, 3, 4, 5, 6, 7, 8, 9]

my_list = [-15, 0, 67,45]<br /> print(my_list) # [-15, 0, 67,45]<br /> my_list.pop(3) # 45<br /> print(my_list) # [-15, 0, 67]<br /> #A negative index is an index that is numbered from the back of a list, instead of from the front.For example, the index -1 refers to the last item in a list, while the index -2 refers to the second-last item in a list.The pop() method can be used to delete an item in a list using a negative index.</p> <p>my_list.pop(-1) # 0<br /> print(my_list) # [-15,0]

# create a list of prime numbers<br /> prime_numbers = [2, 3, 5, 7]</p> <p># remove the element at index 2<br /> removed_element = prime_numbers.pop(2)</p> <p>print(‘Removed Element:’, removed_element)<br /> print(‘Updated List:’, prime_numbers)</p> <p># Output:<br /> # Removed Element: 5<br /> # Updated List: [2, 3, 7]

# Python pop() equivalent<br /> mylist = [‘a’, ‘b’, ‘c’, ‘d’, ‘e’]<br /> # remove ‘b’<br /> mylist = mylist[:1] + mylist[1+1:]<br /> # return [‘a’, ‘c’, ‘d’, ‘e’]<br /> A = 0<br /> A, mylist = A + 9, mylist[:1] + mylist[1+1:]<br /> # return 9 [‘a’, ‘d’, ‘e’]

array.pop(2) # removes element at index 2

In [1]: from typing import List, Any</p> <p>In [2]: x = [{“count”: 100}, {“count”: 30}]<br /> # use this function<br /> In [3]: def defaultable_pop(input_list: List, index: int, default_value: Any = None) -> Any:<br /> …: try:<br /> …: return input_list.pop(index)<br /> …: except IndexError:<br /> …: return default_value<br /> …:<br /> # list, index, (default of empty dict)<br /> In [4]: y: int = defaultable_pop(x, 0, dict({})).get(“count”, 0)</p> <p>In [5]: y<br /> Out[5]: 100</p> <p># As opposed to:<br /> # y: int = x[0].get(“count”, 0) if len(x) > 0 else 0