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XII CS PT1 cloned 9/17/2020

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27 Nsɛmmisa
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XII CS PT-1

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1.

Q1. A Function in python begins with keyword_____.

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2.

Q2. Name the statement that sends back value from a function.

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3.

Q3. A variable declared or defined within function body is known as _______

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4.

Q4. What is the output of the program given below?

x=20

def func(x):

x=2

func(x)

print('x is now',x)

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5.

Q5. More than one value(s) can be returned by a function in Python.

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6.

Q6. The variable declared inside the function is called a global variable.

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7.

Q7. A local variable having the same name as that of a global variable hides the global variable in its function.

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8.

Q8. Built in functions are created by users and are not a part of python library.

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9.

Q9. The first line of a function header begins with def keyword and ends with a colon(:)

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10.

Q10. The variable declared out siide all the functions is called __________

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11.

Q11. What will be the output of the following code? 4

def func(a,b=2,c=0.10):

return(a*b*c)

print(func(6100,1))

print(func(5000,c=0.05))

print(func(5000,3,0.12))

print(func(b=4,a=5000))

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12.

Q12 write a python function SUM to sum the numbers in a list

Sample List [4,6,3,5,6]

Expected output:24

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13.

Q13. Write a python function to print the sum of even numbers from a given list

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14.

Q14. What is the difference between local variable and global variable?

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15.

Q15. What possible output(s) are expected

import random

AR=[20,30,40,50,60,70]

FROM=random.randint(1,3)

TO=random.randint(2,4)

for K in range(FROM,TO+1):

print(AR[K],end="#")

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16.

Which of the following commands can be used to read “n”number of characters from a file using the file object named file

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17.

Which of the statements are true for read()

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18.

CSV files store data in

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19.

Identify the correct option to open a file c:\text.dat for appending in Python Program

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20.

format is a text format, accessible to all applications across several platforms

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21.

method is used for random access of data in a CSV file

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22.

method of pickle module is used to write an object into binary file

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23.

method of pickle module is used to read data from a binary file

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24.

Which of the following is not a valid mode to open a file?

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25.

Write a user-defined function in python that displays the number lines starting with 'H' in the file 'Para.txt'

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26.

Write a function countmy() in Python to read the text file "Data.Txt" and count the number of times "my" occurs in the file.

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27.

Differentiate between file modes r+ and w+