Python Data Structure exercises, python Data Structure

Python Data Structure exercises, python Data Structure

1. Specify the list L, such as [2, 5, 3, 8, 10, 1], in ascending order and output.

Code: list = [2, 5, 8, 10, 1]
Print (list)
List. sort ()
Print (list)

2. Specify the string s, for example, '123', and output it in reverse order using slices.

Code: str = '000000'

Print (str [:-1])

3. Specify the dictionary dict, for example, {'A': 1, 'B': '2', 'C': '3'}, and output its key and value respectively. Insert the dictionary {'D': 4} into the dictionary and output the new zid.

Code:

Dict = {"a": "1", "B": "2", "c": "3 "}
Print (dict. keys ())
Print (dict. values ())
Dict. setdefault ("d ")
Dict ["d"] = "4"
Print (dict)

4. Obtain all prime numbers within 100

 

For I in range (2,101 ):
Fg = 0
For t in range (2, (I-1 )):
If (I % t = 0 ):
Fg = 1
If (fg = 0 ):
Print (I)