PYTHON QUIZ 4

 

   Start date :- 28/04/2021                                End date :- 11/05/2021

PYTHON QUIZ 4..

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Q.1. How do you declare a dictionary in python ?

1.dict [“key”:”value”]

2.dict = {“key”:”value”}

3.Dict = {“key” - “value”}

4.Dict = [“key”:”value”]

ANSWER :- (2)  A Dictionary in python is declared by enclosing a comma-separated list of key-value pairs using curly braces thus 2 option is correct.

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Q.2. What will be the output of the following code:
        dict = { x:x for x in range(1,2) }
        print(dict)

1.{}

2.{x:x,x:x,x:x}

3.{1: 1, 2: 2}

4.{1: 1}

ANSWER :-  (4) it will return {1: 1} as output as loop runs only once.

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Q.3. In python 3.x, Which of the following statement is true for following code:
        age = input (“Please enter your age”)

1.Age will be integer type.

2.It removes trailing spaces.

3.age variable's type will be Whatever type is given to it

4.None of the above

ANSWER :- (4) here it is asking age but no given format to enter thus none of above statements are true.

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Q.4. What will be the output of the following program ?

int =5
while int <=-1:
print (int)
int = int -1

1.    3 
               2

2.     blank(nothing will be printed)

3.    5
               4
               3

4.    5
               4
               3
               2
               1

ANSWER :- (2) here given program will generate no output as condition given is false thus results blank screen.

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Q.5. What will be the output of the following program ?

  int =3
  while int >=2:
  print (int)
  int = 1

1.3

2.2

3.3 2

4.Error in code

ANSWER :- (3) it will return output as 3 2 as here while condition is true and thus after execution gives the output.

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