course = "Python Programming"
score = 95.5
# 使用 f-string 拼接(注意原句没有空格在课程和成绩之间)
sentence = f"{course}课程的成绩是{score}分"
print(sentence)
# 输出score的数据类型
print(type(score))
# 将空格替换为下划线
course_under = course.replace(" ", "_")
print(course_under)
# 统计字母'o'出现的次数
count_o = course.count('o')
print("字母o出现的次数:",count_o)# your code goes here
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