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Commit
73e9196f
authored
Oct 20, 2020
by
BellCodeEditor
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3b4f8e15
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diy4.py
diy4.py
0 → 100644
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73e9196f
score
=
{
'语文'
:
91
,
'数学'
:
88
,
'英语'
:
85
}
# 请对字典进行遍历,将保存的分数以键值对的形式提取打印出来
#keys()方法对字典中所有的键进行遍历
for
k
in
score
.
keys
():
print
(
k
)
#遍历字典中所有的值 通过values()进行遍历
for
v
in
score
.
values
():
print
(
v
)
#遍历字典中的键值对 通过items()进行遍历
for
k
,
v
in
score
.
items
():
print
(
k
,
v
)
#如何删除元素 pop()删除字典中的某个值
print
(
score
.
pop
(
"英语"
))
print
(
score
)
#clear()清空字典
score
.
clear
()
print
(
score
)
#del 删除字典
del
score
print
(
score
)
\ No newline at end of file
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