course = "Python Programming"
score = 95.5
sentence = f"{course}课程的成绩是{score}分"
print(sentence)
print(type(score))
course_under = course.replace(" ","_")
print(course_under)
count_o = course.count("o")
print(count_o)
Y291cnNlID0gIlB5dGhvbiBQcm9ncmFtbWluZyIKc2NvcmUgPSA5NS41CnNlbnRlbmNlID0gZiJ7Y291cnNlfeivvueoi+eahOaIkOe7qeaYr3tzY29yZX3liIYiCnByaW50KHNlbnRlbmNlKQpwcmludCh0eXBlKHNjb3JlKSkKCmNvdXJzZV91bmRlciA9ICBjb3Vyc2UucmVwbGFjZSgiICIsIl8iKQpwcmludChjb3Vyc2VfdW5kZXIpCmNvdW50X28gPSBjb3Vyc2UuY291bnQoIm8iKQpwcmludChjb3VudF9vKQo=