九敏，求解答，对着一方面欠缺
score={'语文':90,'英语':92,'计算机':96,'数学':98}
#1
print(score['语文'])
#2
score['思想政治']=99
print(score)
#3
score['数学']=95
print(score)
#4
del score['计算机']
print(score)
#5
print([i for i in score.items()])
score={'语文':90,'英语':92,'计算机':96,'数学':98}
#1
print(score['语文'])
#2
score['思想政治']=99
print(score)
#3
score['数学']=95
print(score)
#4
del score['计算机']
print(score)
#5
print([i for i in score.items()])