学生成绩评价程序实现对输入学生成绩进行评价的功能。评价标准是90分以上为“优秀”,80-90间为“良好”,60-80分为“及格”,60分下为“不及格”。
1st=[] #定义一个空列表,用于存放水仙花数
: #用for循环遍历所有的三位数
a= #个位
b= (i//10) %10 #十位
c= #百位
if
1st. append (i) #在列表的末尾追加一个元素
print(lst) #输出列表
count=0 #拥于记录试错的次数
rightname=“admin”
rightpasswd=“admin123”
while :#只允许试错3次
name=input(“请输入用户名:”)
passwd=input(“请输入密码:”)
if name==rightname passwd==rightpasswd:
print(“登录成功!”)
#如果登录成功,则直接跳出循环
else:
print(“登录失败!”)
#试错次数+1
else:
print(“登录次数超过三次,请稍后登录”)
s=0
for i in range(1,10,3):
s=s+i
该程序段运行后,s的结果是
1)def factoria1(n): #求n!
2) s=1
3) for i in range(2,n+1)::
4) s=s*i
5) return s
6)print(factorial(4))
Private Sub Command1_Click()
Dim i As Integer, m As Integer, n As Integer
Label1.Caption = "1000以内的完全数如下:"
For i = 1 To 1000
n = 0
For m = 1 To i \ 2
If i Mod m = 0 Then n = n + m
Next
If n = i Then Label2.Caption = Label2.Caption & "" & Str(i)
Next i
End Sub
该过程采用的算法是( )
>>> print("hello","Python World!")
>>> print("hello","Python World!",sep='')
>>> print("hello","Python World!",sep=' ')
>>> print("hello","Python World!",sep=',')
>>> 3+0.5
|
>>>9**0.5
|
>>>123%10
|
>>> 10/2
|
>>>55//3
|
>>>(65-23)*2/3
|
>>>n=987 >>> format(n,'.1f')
|
>>> n=987 >>> float(n)
|
>>> n=1254.9 >>> int(n)
|
>>>print( format(n,'.1f'))
|
>>> n=“987” >>> float(n)
|
>>> n=“1254.9” >>> int(n)
|
>>> sqrt(2)
B . >>> from math improt sqrt>>> sqrt(2)
C . >>> import math>>> math.pow(2,0.5)
D . >>> from math import pow>>> pow(2,0.5)