a=4
s=0
while a>=0:
s=s+a
a=a-1
print(s,a)
year=2021 if (year%400==0) or ( year%4==0 and year%100!=0 ): days=366 else: days=365 print(days) ⑴程序运行结果是:。 |
a=88 b=48 c=a//b If c==0: c=a*10+b . elif 1<=c<=9: c=a*100+b elif 10<=c<=99: c=a*1000+b print(c) ⑵程序运行结果是:。 |
for i in range(1,10,2): print(iend=" ") ⑶程序段执行结果是:。 |
for i in range(1,100): if i%3==0 and i%7==0: print(iend=" ") ⑷程序段执行的结果是:。 |
b=1
Do while (b<40)
b=b*(b+1)
Loop
Print b
Dim s As long, x As Integer
s=0 : x=1
Do While (x<10)
s=s+x
x=x+2
Loop
Print s
for i in range(0,2):
print(i)
Private Sub Form_Click()
Dim s As Single
Dim i As Integer
s =
For i = 1 ToStep 1
s =
Next i
Print "s="; s
End Sub
s=0
for i in range(101):
s+=i
print("s=",s)
循环变量i的终值是( )
x = 0
while x < 50:
x = (x + 2) * (x + 3)
运行后,x的值为( )
实现上述功能的程序如下,请在划线处填入合适的代码。
def isprime(x):
for i in range(2,x):
if:
return False
return True
n=int(input(“请输入一个正整数n:”))
c=0
k=3
while k<=n-2:
if isprime(k) and:
print(k,k+2)
k=k+1
print(“共有”+str(c)+“对双胞胎数”)
1)系统随机生成一个1~100的数字;
2)用户总共有5次猜数字的机会;
3)如果用户猜测的数字大于系统给出的数字,打印“too big";
4)如果用户猜测的数字小于系统给出的数字,打印"too small";
5)如果用户猜测的数字等于系统给出的数字,打印"恭喜",并且退出循环;
编写程序代码如下,请完善代码:
#导入random模块
#随机生成1-100的整数并赋值给变量game
time=5
while time>0:
guess=int (input ("请输入你所猜的数字:"))
if (guess>game) :
print ("too big")
elif :
print(" too small' )
else:
print ("恭喜”)
break
time=time-1
print("游戏结束,正确的结果是:",game)
For i = 1 To 5
For j = 2 To i
Print "*";
Next j
Next i
Dim m, n, k As Integer
m = 6
n = 1
For k = 1 To m Step 2
n = n * k
Next k
Print "n ="; n
程序运行后,n的值是:
S = 0
For k = To step
S =
Next k
Print "1+2+3+……+150="; S
for i in range(0,10,2):
print("*")
for i in range(0,2):
print(i)