國立暨南國際大學 104 學年度第一學期小考試卷

1. (10%) Determine whether the following code is correct or not.  If it is correct, predict its output.  If it is incorrect, point out the mistake(s).
   
   # Simultaneous Assignment
   a, b, c = 1, 2, 3
   for i in range(10):
       a, b, c = b, c, a
   print(a, b, c)
   
   
   
2. (10%) Determine whether the following code is correct or not.  If it is correct, predict its output.  If it is incorrect, point out the mistake(s).
   
   # String Length
   s = "HELLO\n\nNCNU\n"
   print(len(s), ord(s[-1]))
   
   
   
3. (10%) Determine whether the following code is correct or not.  If it is correct, predict its output.  If it is incorrect, point out the mistake(s).
   
   # String Slicing
   N = 5
   s = " "*(N-1)+"+"+" "*(N-1)
   for i in range(N-1):
       print( s[ i : i+N ] )
   for i in range(N-1, -1, -1):
       print( s[ i : i+N ] )
   
   
   
4. (10%) Determine whether the following code is correct or not.  If it is correct, predict its output.  If it is incorrect, point out the mistake(s).
   # Indexing means to retrieve a character from a string with its index number
   aList = ["###", "--#", "###", "#--"]
   for i in range(8):
       print( aList[i % 4] )
   
   
   
   
5. (10%) Determine whether the following code is correct or not.  If it is correct, predict its output.  If it is incorrect, point out the mistake(s).
   
   # Dynamically create a template string
   
   for i in range(8):
       s = "{0:" + "><"[i % 2] + "3}"
       print( s.format("#") )