Coursera Programming for Everybody-Getting Started with Python-Week 7 Chapter 5 quiz answers

 




These solutions are for reference only.

It is recommended that you should solve the assignment and quiz by yourself honestly then only it makes sense to complete the course.

but if you cant figure out some part of it than you can refer these solutions

make sure you understand the solution  

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1  What is wrong with this Python loop: n = 5; while n > 0 : print n; print 'All done'

ans  This loop will run forever.



2  What does the break statement do?

ans  Exits the currently executing loop.



3  What does the continue statement do?

ans  Jumps to the "top" of the loop and starts the next iteration.



4  What does the following Python program print out? tot = 0; for i in [5, 4, 3, 2, 1] : tot = tot + 1; print tot

ans   5



5  What is the iteration variable in the following Python code: friends = ['Joseph', 'Glenn', 'Sally']; for friend in friends : print 'Happy New Year:', friend; print 'Done!'

ans  friend



6   What is a good description of the following bit of Python code?; zork = 0; for thing in [9, 41, 12, 3, 74, 15] : zork = zork + thing; print 'After', zork

ans  Sum all the elements of a list



7   What will the following code print out? smallest_so_far = -1; for the_num in [9, 41, 12, 3, 74, 15] : if the_num < smallest_so_far : smallest_so_far = the_num; print smallest_so_far

ans   -1



8   What is a good statement to describe the is operator as used in the following if statement: if smallest is None : smallest = value

ans  matches both type and value



9  Which reserved word indicates the start of an "indefinite" loop in Python?

ans  while



10   How many times will the body of the following loop be executed? n = 0; while n > 0 : print 'Lather' print 'Rinse'; print 'Dry off!'

ans   0


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reference :coursera.org 

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