Funkcije operatora u Pythonu | Set 1
U ovom se članku raspravlja o više funkcija.
1. setitem(ob pos val) :- Ova se funkcija koristi za dodijeliti vrijednost na a poseban položaj u kontejneru.
Operacija - ob[pos] = val
sql concat
2. odvoji (ob pos) :- Ova se funkcija koristi za izbrisati vrijednost na a poseban položaj u kontejneru.
Operacija - del ob[pos]
3. getitem(ob pos) :- Ova se funkcija koristi za pristup vrijednost na a poseban položaj u kontejneru.
Operacija - ob[pos]
Python3
# Python code to demonstrate working of # setitem() delitem() and getitem() # importing operator module import operator # Initializing list li = [1 5 6 7 8] # printing original list print ('The original list is : 'end='') for i in range(0len(li)): print (li[i]end=' ') print ('r') # using setitem() to assign 3 at 4th position operator.setitem(li33) # printing modified list after setitem() print ('The modified list after setitem() is : 'end='') for i in range(0len(li)): print (li[i]end=' ') print ('r') # using delitem() to delete value at 2nd index operator.delitem(li1) # printing modified list after delitem() print ('The modified list after delitem() is : 'end='') for i in range(0len(li)): print (li[i]end=' ') print ('r') # using getitem() to access 4th element print ('The 4th element of list is : 'end='') print (operator.getitem(li3))
Izlaz:
The original list is : 1 5 6 7 8 The modified list after setitem() is : 1 5 6 3 8 The modified list after delitem() is : 1 6 3 8 The 4th element of list is : 8
4. setitem(ob slice(ab) vals) :- Ova se funkcija koristi za postavite vrijednosti u određenom rasponu u kontejneru.
Operacija - obj[a:b] = vals
5. podijeliti (ob slice(ab)) :- Ova se funkcija koristi za izbrisati vrijednosti iz određenog raspona u kontejneru.
Operacija - od obj[a:b]
niz.sadrži java
6. getitem(ob slice(ab)) :- Ova se funkcija koristi za pristupiti vrijednostima u određenom rasponu u kontejneru.
Operacija - obj[a:b]
# Python code to demonstrate working of # setitem() delitem() and getitem() # importing operator module import operator # Initializing list li = [1 5 6 7 8] # printing original list print ('The original list is : 'end='') for i in range(0len(li)): print (li[i]end=' ') print ('r') # using setitem() to assign 234 at 2nd3rd and 4th index operator.setitem(lislice(14)[234]) # printing modified list after setitem() print ('The modified list after setitem() is : 'end='') for i in range(0len(li)): print (li[i]end=' ') print ('r') # using delitem() to delete value at 3rd and 4th index operator.delitem(lislice(24)) # printing modified list after delitem() print ('The modified list after delitem() is : 'end='') for i in range(0len(li)): print (li[i]end=' ') print ('r') # using getitem() to access 1st and 2nd element print ('The 1st and 2nd element of list is : 'end='') print (operator.getitem(lislice(02)))
Izlaz:
The original list is : 1 5 6 7 8 The modified list after setitem() is : 1 2 3 4 8 The modified list after delitem() is : 1 2 8 The 1st and 2nd element of list is : [1 2]
7. concat(obj1obj2) :- Ova se funkcija koristi za ulančati dva kontejnera.
Operacija - obj1 + obj2
8. sadrži(obj1obj2) :- Ova se funkcija koristi za provjerite postoji li obj2 u obj1 .
Operacija - obj2 u obj1
probaj catch block javaPython3
# Python code to demonstrate working of # concat() and contains() # importing operator module import operator # Initializing string 1 s1 = 'geeksfor' # Initializing string 2 s2 = 'geeks' # using concat() to concatenate two strings print ('The concatenated string is : 'end='') print (operator.concat(s1s2)) # using contains() to check if s1 contains s2 if (operator.contains(s1s2)): print ('geeksfor contains geeks') else : print ('geeksfor does not contain geeks')
Izlaz:
računalo izumljeno koje godine
The concatenated string is : geeksforgeeks geeksfor contains geeks
9. i_(ab) :- Ova se funkcija koristi za izračunavanje po bitovima i navedenih argumenata.
Operacija - a & b
10. ili_(ab) :- Ova se funkcija koristi za izračunavanje bitno ili navedenih argumenata.
Operacija - a | b
11. besplatno(ab) :- Ova se funkcija koristi za izračunavanje bitni xor navedenih argumenata.
Operacija - a ^ b
12. preokrenuti (a) :- Ova se funkcija koristi za izračunavanje inverzija po bitovima navedenog argumenta.
Operacija - ~ a
# Python code to demonstrate working of # and_() or_() xor() invert() # importing operator module import operator # Initializing a and b a = 1 b = 0 # using and_() to display bitwise and operation print ('The bitwise and of a and b is : 'end='') print (operator.and_(ab)) # using or_() to display bitwise or operation print ('The bitwise or of a and b is : 'end='') print (operator.or_(ab)) # using xor() to display bitwise exclusive or operation print ('The bitwise xor of a and b is : 'end='') print (operator.xor(ab)) # using invert() to invert value of a operator.invert(a) # printing modified value print ('The inverted value of a is : 'end='') print (operator.invert(a))
Izlaz:
The bitwise and of a and b is : 0 The bitwise or of a and b is : 1 The bitwise xor of a and b is : 1 The inverted value of a is : -2