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Home Forums Assignment courserra Python for Everybody – Specialization Programming for Everybody (Getting started with Python) Week 7 Chapter 5, Programming for Everybody (Getting started with Python)

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    • #865
      Abhishek TyagiAbhishek Tyagi
      Keymaster

      1. What is wrong with this Python loop:

      n = 5
      while n > 0 :
          print(n)
      print('All done')
        Answer-

      This loop will run forever

      2. What does the break statement do?

        Answer-

      Exits the currently executing loop

      3. What does the continue statement do?

        Answer-

      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)
        Answer-

      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!')
        Answer-

      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)
        Answer-

      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)
        Answer-

      -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
        Answer-

      matches both type and value

      9. Which reserved word indicates the start of an “indefinite” loop in Python?

      Answer-
      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!')
        Answer-

      0

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