Private Sub command1_Click()
Dim n As Integer, i As Integer, s As Double
n = 100
s = 0
For i = 1 To n
Next i
Print s
End Sub
for i in range(1,21,2):
print("#")
s=0 For i in range()
print(“偶数和是:”,s) |
i = 0
while i <10:
print("我爱Python!")
i = i + 2
m= 1 m = m+ 5 n = 5 + m Print n ,m |
a = 2 b = 3 print a > b |
a=10 b=20 If a>b then Print a, b Else Print b, a End if |
For k=15 to 1 step -5 Print k; next |
i=0
while i<=100:
print(“*”)
i=i+1
s = 0
For i = 1 To 3
s = s + i
Next i
a=0 for i in range(1,100): if i%3==0: a=a+i print(a) |
a=0 for i in range(1,100): if i%3==0: a=a+1 print(a) |
a=0 for i in range(0,100,3): a=a+1 print(a) |
a=0 for i in range(0,99,3): a=a+i print(a) |
t=1
for k in range(3,0,-1):
t=t*k
print(t)
s=0
x=2
Do While x<=13
s= s+1
x=x+3
Loop
该程序段运行后,循环体的执行次数为。
实现上述功能的程序如下,请在划线处填入合适的代码。
import math
def isprime(x):
for i in range(2,int(math.sqrt(x))+1):
if x % i = = 0 :
f=False
return f
n=int(input("请输入一个正整数 n:"))
c=0
k=3
while k < = n-2:
if isprime( k ) and:
c + = 1
print("第"+ str( c ) +"对双胞胎数:", k ,'和',k+2)
print("共有"+str(c)+"对双胞胎数")
Dim x As Integer
x=0
Do While x<50
x=(x+2)*(x+3)
Loop
for i in range(1,101):
s=s+i
print(s)
运行结果是()