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  1. course = "Python Programming"
  2. score = 95.5
  3. # 使用 f-string 拼接（注意原句没有空格在课程和成绩之间）
  4. sentence = f"{  course   }课程的成绩是{score}分"
  5. print(  sentence  )
  6. # 输出score的数据类型
  7. print( type(score))
  8. # 将空格替换为下划线
  9. course_under = course.replace(" ", "_")
  10. print(course_under)
  11.  
  12. # 统计字母'o'出现的次数
  13. count_o = course.count('o')
  14. print("字母o出现的次数：", count_o         )
Success #stdin #stdout 0.07s 14116KB
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Python Programming课程的成绩是95.5分
<class 'float'>
Python_Programming
字母o出现的次数： 2
https://ideone.com/YXzAnv
language:
Python 3 (python  3.12)
created:
1 day ago
visibility:
public

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