Courcera题目集锦（一）

1. What is the result of the following operation：
   [1,2,3]+[1,1,1]

• [2,3,4]
• [1, 2, 3, 1, 1, 1]
• TypeError

正确答案：[1, 2, 3, 1, 1, 1]

2. What is the length of the list A = [1] after the following operation:
   A.append([2,3,4,5])

• 5
• 6
• 2

正确答案：2
append-only adds one element to the list

3. What is the result of the following:
   "Hello Mike".split()

• ["Hello","Mike"]
• ["HelloMike"]
• ["H"]

正确答案：["Hello","Mike"]
the method split separates a string into a list based on the argument. If there is no argument as in this case the string is split using spaces.