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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)
Openadmin asked 3 years ago • ,
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Which of the following module helps in creating a context manager using decorator contextmanager ?
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Which of the following methods of a match object, mo, is used to view the grouped portions of match in the form of a tuple
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Which of the following methods of a match object, mo, is used to view the named group portions of match in the form of a dictionary
Openadmin asked 3 years ago • ,
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In a match found by a defined pattern, how to group various portions of a match
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“What is the output of the following code ? v = ‘Hello’ def f(): v = ‘World’ return v print(f()) print(v) “
Openadmin asked 3 years ago • ,
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What is the output of the following code ? def outer(x, y): def inner1(): return x+y def inner2(z): return inner1() + z return inner2 f = outer(10, 25) print(f(15))
Openadmin asked 3 years ago • ,
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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)
Openadmin asked 3 years ago • ,
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What is the output of the following code ? def stringDisplay(): while True: s = yield print(s*3) c = stringDisplay() next(c) c.send(‘Hi!!’)
Openadmin asked 3 years ago • ,
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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()
Openadmin asked 3 years ago • ,
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What is the output of the following code ? class A: @staticmethod @classmethod def m1(self): print(‘Hello’) A.m1(5)
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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()
Openadmin asked 3 years ago • ,
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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)
Openadmin asked 3 years ago • ,
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What is the output of the following code ? from contextlib import contextmanager @contextmanager def context(): print(‘Entering Context’) yield print(“Exiting Context”) with context(): print(‘In Context’)
Openadmin asked 3 years ago • ,
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What is the output of the following code ? from functools import wraps def decorator_func(func): @wraps(func) def wrapper(*args, **kwargs): return func(*args, **kwargs) return wrapper @decorator_func def square(x): return x**2 print(square.__name__)
Openadmin asked 3 years ago • ,
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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))
Openadmin asked 3 years ago • ,
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What is the output of the following code ? def outer(x, y): def inner1(): return x+y def inner2(): return x*y return (inner1, inner2) (f1, f2) = outer(10, 25) print(f1()) print(f2())
Openadmin asked 3 years ago • ,
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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))
Openadmin asked 3 years ago • ,
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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)
Openadmin 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()
Openadmin asked 3 years ago • ,
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Which of the following statement is used to open the file C:\Sample.txt in write only mode?
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Django web frame work uses SQLAlchemy as Object relational mapper. State True or False
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pyodbc is an open source Python module that makes accessing ODBC databases simple. State True or False
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“Select the most correct statement that differentiates a Generator from a Coroutine “
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Which of the following decorator function is used to create a class method?
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Which of the following keywords is used to enable a context manager in Python ?
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Which of the following syntax is used to name a grouped portion of a match?
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If a property named temp is defined in a class, which of the following decorator statement is required for setting the temp attribute ?
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What does readlines() method return?
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Which of the following package provides the utilities to work with Oracle database?
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Which of the following expression is used to compile the pattern p?
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Which of the following statement is used to open the file C:\Sample.txt in append mode?
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Which of the following is the correct syntax of open function?
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What is the output of the expression re.split(r'[aeiou]’, ‘abcdefghij’)?
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A Coroutine is a generator object. State True ot False
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Which of the following methods is used to pass input value to a coroutine
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A Closure is always a function. State True or False
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ZipFile utility of zipfile module is a context manager. State True or False
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Which of the following is true about decorators ?
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Which of the following method is used to fetch next one row of a query result ?
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