Class 12 CS Chapter 9 Back Exercise Part B Solutions Sumita Arora New Syllabus

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1. Create a list SqLst that stores the doubles of elements of another list NumLst. Following code is trying to achieve this. Will this code work as desired ? What will be stored in SqLst after following code ?
NumLst = ...
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2. Change the above code so that it works as stated in previous question.
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4. Consider a list ML = [1, 4, 9, 16, 25, 36, 49, 64, 81, 100]. Write code using a list comprehension that takes the list ML and makes a new list that has only the even elements of this list in it.
# Code ...
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5. Write equivalent list comprehension for the following code :
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6. Write equivalent for loop for the following list comprehension :
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7. Predict the output of following code if the input is :
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8. Predict the output :
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9. Predict the output :
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10. Predict the output :
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11. Predict the output :
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12. Predict the output.
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13. Find the Error. Consider the following code, which runs correctly at times but gives error at other times. Find the error and its reason.
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14. Suggest the correction for the error(s) in previous question’s code.
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15. Find the error. Consider the following code(s) and predict the error(s):
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16. Find the error in the following list comprehension :
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17. Suggest corrections for the errors in both the previous questions.
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