chapter 4 week 6 quiz

chapter 4 week 6 quiz

Quiz

 

1. Which Python keyword indicates the start of a function definition?
   
   1.   return
   2.   sweet
   3.   continue
   4.   def
2. In Python, how do you indicate the end of the block of code that makes up the function?
   
   1.   You add a line that has at least 10 dashes
   2.   You de-indent a line of code to the same indent level as the def keyword
   3.   You put the colon character (:) in the first column of a line
   4.   You put the "END" keyword in column 7 of the line which is to be the last line of the function
3. In Python what is the input() feature best described as?
   
   1.   A reserved word
   2.   A built-in function
   3.   The central processing unit
   4.   A user-defined function
4. What does the following code print out?
   def thing():
   print('Hello')
   print('There')
   1.   There
   2.   Hello
   3.   Hello
      There
   4.   thing
      Hello
      There
5. In the following Python code, which of the following is an "argument" to a function?
   x = 'banana'
   y = max(x)
   print(y)
   1.   'banana'
   2.   max
   3.   x
   4.   print
6. What will the following Python code print out?
   def func(x) :
   print(x)
   
   func(10)
   func(20)
   1.   x
      20
   2.   func
      func
   3.   x
      10
      x
      20
   4.   10
      20
7. Which line of the following Python program will never execute?
   def stuff():
   print('Hello')
   return
   print('World')
   
   stuff()
   1.   print ('World')
   2.   stuff()
   3.   print('Hello')
   4.   return
   5.   def stuff():
8. What will the following Python program print out?
   def greet(lang):
   if lang == 'es':
   return 'Hola'
   elif lang == 'fr':
   return 'Bonjour'
   else:
   return 'Hello'
   
   print(greet('fr'),'Michael')
   1.   Bonjour Michael
   2.   Hola Michael
   3.   Hello Michael
   4.   def
      Hola
      Bonjour
      Hello
      Michael
9. What does the following Python code print out?
   (Note that this is a bit of a trick question and the code
   has what many would consider to be a flaw/bug - so read carefully).
   def addtwo(a, b):
   added = a + b
   return a
   x = addtwo(2, 7)
   print(x)
   
   1.   2
   2.   14
   3.   addtwo
   4.   7
10. What is the most important benefit of writing your own functions?
    
    1.   Following the rule that no function can have more than 10 statements in it
    2.   Following the rule that whenever a program is more than 10 lines you must use a function
    3.   Avoiding writing the same non-trivial code more than once in your program
    4.   To avoid having more than 10 lines of sequential code without an indent or de-indent