Python quiz 6

 Start date- 12-05-2021                                                      End date- 25-05-2021

 

LET'S BEGIN......

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Q.1. In python,

1.Indentation indicates a block of code.

2.def keyword is used to indicate starting of a function.

3.A function can call other functions.

4.All of the above

ANSWER :- (4) Here in python it uses indentation to indicate a block of code and def is used to indicate start of function also a function can call other function.

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Q.2. Assume that the 'min' function computes the minimum of two values, and 'max' function computes the maximum of two values. Let x1, x2 be 2 distinct integers. What can you say about the following program (using python 3.X version):

y1 = min(x1, x2)
y2 = max(y1, x1)


1.If x1 is smaller than x2, then y1 and y2 will be same.

2.If x1 is greater than x2, than y1 wll be equal to x2.

3.If we further run y3 = max(y1,y2) , then y3 will always be equal to x1.

4.All of the above

ANSWER :- (4) In above given code x1 will remain maximum thus all of the above will be correct. 

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Q.3. Which of the below statement/s is/are true for global keyword in python ?

1.It is used to read global variables inside a function.

2.if we want to use value of global variable inside a function, we will have to use global keyword.

3.A variable name inside a function can be same as variable name of a global variable.

4.All of the above

ANSWER :- (4) Global keyword is a keyword that allows a user to modify a variable outside of the current scope and read variable inside function. In python function name of global keyword can be same, thus all of the above is correct. 

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Q.4. What will be the output of the following code:-

def keywordExample(x=1, y=2, z=4):
    sum = x+y
    min = sum - z
    print (min)
keywordExample(y=8,x=4,z=y)


1.Error

2.9

3.0

4.5

ANSWER :- (1) Here we get an error after running code in python idle it return's that name y is not defined.

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Q.5. Which of the following statement is false for string in python:

1.They represent sequence of characters

2.strings are mutable

3.Backslash can be used to escape quote

4.All of the above

ANSWER :- (2) As python represents sequence of characters and also backslash can be used to escape quote. but the string data types are immutable, which means a string value cannot be updated. Thus second option is false.

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