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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.  
  9. # 将空格替换为下划线
  10. course_under = course.replace(" ", "_")
  11. print(course_under)
  12.  
  13. # 统计字母'o'出现的次数
  14. count_o = course.count('o')
  15. print("字母o出现的次数：",count_o)
Success #stdin #stdout 0.12s 14172KB
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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/aupSXM
language:
Python 3 (python  3.12)
created:
1 day ago
visibility:
public

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