Operatorske funkcije v Pythonu | Komplet 1
Več funkcij je obravnavanih v tem članku.
1. setitem(ob pos val) :- Ta funkcija se uporablja za dodeliti vrednost pri a določen položaj v posodi.
Delovanje - ob[pos] = val
2. loči (ob pos) :- Ta funkcija se uporablja za izbrisati vrednost pri a določen položaj v posodi.
Delovanje - del ob [pos]
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3. getitem(ob pos) :- Ta funkcija se uporablja za dostop vrednost pri a določen položaj v posodi.
Delovanje - 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))
Izhod:
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) :- Ta funkcija se uporablja za nastavite vrednosti v določenem obsegu v posodi.
Delovanje - obj[a:b] = vals
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5. delitem(ob slice(ab)) :- Ta funkcija se uporablja za izbrišite vrednosti iz določenega obsega v posodi.
Delovanje - od obj[a:b]
6. getitem(ob slice(ab)) :- Ta funkcija se uporablja za dostop do vrednosti v določenem obsegu v posodi.
Delovanje - 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)))
Izhod:
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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) :- Ta funkcija se uporablja za združiti dve posodi.
Delovanje - obj1 + obj2
8. vsebuje (obj1obj2) :- Ta funkcija se uporablja za preveri, ali je obj2 prisoten v obj1 .
Delovanje - obj2 in obj1
# 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')
Izhod:
The concatenated string is : geeksforgeeks geeksfor contains geeks
9. in_(ab) :- Ta funkcija se uporablja za izračun bitno in omenjenih argumentov.
Delovanje - a & b
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10. ali_(ab) :- Ta funkcija se uporablja za izračun bitno oz omenjenih argumentov.
Delovanje - a | b
11. brezplačno (ab) :- Ta funkcija se uporablja za izračun bitni xor omenjenih argumentov.
Delovanje - a ^ b
12. obrniti(a) :- Ta funkcija se uporablja za izračun bitna inverzija omenjenega argumenta.
Delovanje - ~ 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))
Izhod:
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