fork download
copy 
  1. nums = [5, 12, 7, 9, 21, 7, 14]
  2. # 统计数字7出现的次数
  3. count_seven = nums.count(7)          
  4. print("数字7出现的次数：",count_seven)
  5. # 判断99是否存在，不存在则添加
  6. if 99 not in nums:
  7.     nums.append(99)           
  8. print("添加99后的列表：",nums)
Success #stdin #stdout 0.07s 14124KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
数字7出现的次数： 2
添加99后的列表： [5, 12, 7, 9, 21, 7, 14, 99]
https://ideone.com/7m0eXY
language:
Python 3 (python  3.12)
created:
19 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!