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Which of the following module helps in creating a context manager using decorator contextmanager?
AnsweredAdam asked 3 years ago • 
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Popen of subprocess module is a context manager.
AnsweredAdam asked 3 years ago • 
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What does the context manager do when you are opening a file using with?
AnsweredAdam asked 3 years ago • 
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What is the output of the following code? from contextlib import contextmanager @contextmanager def tag(name): print("<%s>" % name) yield print("</%s>" % name) with tag('h1') : print('Hello')
AnsweredAdam asked 3 years ago • 
8557 views1 answers0 votes
Which of the following decorator function is used to create an abstract method?
AnsweredAdam asked 3 years ago • 
5685 views1 answers0 votes
What is the output of the following code? from abc import ABC, abstractmethod class A(ABC): @abstractmethod @classmethod def m1(self): print('In class A, Method m1.') class B(A): @classmethod def m1(self): print('In class B, Method m1.') b = B() b.m1() B.m1() A.m1()
AnsweredEaster Science asked 3 years ago • 
17307 views1 answers0 votes
What is the output of the following code? from abc import ABC, abstractmethod class A(ABC): @abstractmethod def m1(self): print('In class A, Method m1.') class B(A): @staticmethod def m1(self): print('In class B, Method m1.') b = B() B.m1(b)
AnsweredAdam asked 3 years ago • 
1926 views1 answers0 votes
What is the output of the following code? from abc import ABC, abstractmethod class A(ABC): @abstractmethod def m1(self): print('In class A, Method m1.') class B(A): def m1(self): print('In class B, Method m1.') class C(B): def m2(self): print('In class C, Method m2.') c = C() c.m1() c.m2()
AnsweredAdam asked 3 years ago • 
7921 views1 answers0 votes
What is the output of following code? from abc import ABC, abstractmethod class A(ABC): @abstractmethod def m1(): print('In class A.') a = A() a.m1()
AnsweredAdam asked 3 years ago • 
5668 views1 answers0 votes
What is the output of following code? from abc import ABC, abstractmethod class A(ABC): @abstractmethod def m1(): print('In class A, Method m1.') def m2(): print('In class A, Method m2.') class B(A): def m2(): print('In class B, Method m2.') b = B() b.m2()
AnsweredAdam asked 3 years ago • 
6175 views1 answers0 votes
Which of the following module helps in creating abstract classes in Python?
AnsweredAdam asked 3 years ago • 
5145 views1 answers0 votes
What is the output of the following code? from abc import ABC, abstractmethod class A(ABC): @classmethod @abstractmethod def m1(self): print('In class A, Method m1.') class B(A): @classmethod def m1(self): print('In class B, Method m1.') b = B() b.m1() B.m1() A.m1()
AnsweredAdam asked 3 years ago • 
2251 views1 answers0 votes
Which of the following decorator function is used to create a static method?
AnsweredAdam asked 3 years ago • 
4924 views1 answers0 votes
What is the output of the following code? class A: @staticmethod @classmethod def m1(self): print('Hello') A.m1(5)
AnsweredAdam asked 3 years ago • 
6425 views1 answers0 votes
The static Method is bound to Objects and Class.
AnsweredAdam asked 3 years ago • 
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What is the output of the following code? class A: @classmethod def getC(self): print('In Class A, method getC.') class B(A): pass b = B() B.getC() b.getC()
AnsweredAdam asked 3 years ago • 
6056 views1 answers0 votes
Which of the following decorator function is used to create a class method?
AnsweredAdam asked 3 years ago • 
4805 views1 answers0 votes
What is the output of the following code? class A: @staticmethod def m1(self): print(‘Static Method’) @classmethod def m1(self): print(‘Class Method’) A.m1()
AnsweredAdam asked 3 years ago • 
8249 views1 answers0 votes
What is the output of the following code? class A: @classmethod def m1(self): print('In Class A, Class Method m1.') def m1(self): print('In Class A, Method m1.') a = A() a.m1()
AnsweredAdam asked 3 years ago • 
5075 views1 answers0 votes
What is the output of the following code? def s1(x, y): return x*y class A: @staticmethod def s1(x, y): return x + y def s2(self, x, y): return s1(x, y) a = A() print(a.s2(3, 7))
AnsweredAdam asked 3 years ago • 
6235 views1 answers0 votes
Which of the following is true about property decorator?
AnsweredAdam asked 3 years ago • 
15000 views1 answers0 votes
If a property named temp is defined in a class, which of the following decorator statement is required for setting the temp attribute?
AnsweredAdam asked 3 years ago • 
11841 views1 answers0 votes
What is the output of the following code? class A: def __init__(self, x , y): self.x = x self.y = y @property def z(self): return self.x + self.y a = A(10, 15) b = A('Hello', '!!!') print(a.z) print(b.z)
AnsweredAdam asked 3 years ago • 
14771 views1 answers-1 votes
If a property named temp is defined in a class, which of the following decorator statement is required for deleting the temp attribute?
AnsweredAdam asked 3 years ago • 
7624 views1 answers0 votes
What is the output of the following code? class A: def __init__(self, x): self.__x = x @property def x(self): return self.__x a = A(7) a.x = 10 print(a.x)
AnsweredAdam asked 3 years ago • 
14896 views1 answers0 votes
Which of the following method definitions can a descriptor have?
AnsweredAdam asked 3 years ago • 
4714 views1 answers-1 votes
What is the output of the following code? class A: def __init__(self, value): self.x = value @property def x(self): return self.__x @x.setter def x(self, value): if not isinstance(value, (int, float)): raise ValueError('Only Int or float is allowed') self.__x = value a = A(7) a.x = 'George' print(a.x)
AnsweredAdam asked 3 years ago • 
1850 views1 answers0 votes
What is the output of the following code? class A: def __init__(self, val): self.x = val @property def x(self): return self.__x @x.setter def x(self, val): self.__x = val @x.deleter def x(self): del self.__x a = A(7) del a.x print(a.x)
AnsweredAdam asked 3 years ago • 
25552 views1 answers0 votes
Classes can also be decorated, if required, in Python.
AnsweredAdam asked 3 years ago • 
4384 views1 answers0 votes
What is the output of the following code? def smart_divide(func): def wrapper(*args): a, b = args if b == 0: print('oops! cannot divide') return return func(*args) return wrapper @smart_divide def divide(a, b): return a / b print(divide.__name__) print(divide(4, 16)) print(divide(8,0))
AnsweredAdam asked 3 years ago • 
9348 views1 answers0 votes
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