作业1
numbers =1
for i in range(0,20):
numbers*=2
print(numbers)
1048576
[Finished in 0.2s]
本程序的作用是输出2的20次方
作业2
summation = 0
num =1
while num<=100:
if(num%3==0 or num%7==0) and num%21!=0:
summation+=1
num+=1
print(summation)
39
[Finished in 0.2s]
该程序的作用是输出0-100中能被3或7整除但不能被21整除的数
作业3:用for和while求1-100之间和与平均值
sum1 = 0
for x in range(1,101):
sum1+=x
x+=1
print(sum1,sum1/100)
sum1 = 0
x = 1
while x<=100:
sum1+=x
x+=1
print(sum1,sum1/100)
5050 50.5
5050 50.5
[Finished in 0.2s]
作业4:用for和while求1-100件能被3整除的和
sum1 = 0
for x in range(1,101):
if x%3==0:
sum1+=x
x+=1
print(sum1)
sum1 = 0
x = 1
while x<=100:
if x%3==0:
sum1+=x
x+=1
print(sum1)
1683
1683
[Finished in 0.2s]
作业5:用for和while求1-100件不能被7整除的和
sum1 = 0
for x in range(1,101):
if x%7!=0:
sum1+=x
x+=1
print(sum1)
sum1 = 0
x = 1
while x<=100:
if x%7!=0:
sum1+=x
x+=1
print(sum1)
4315
4315
[Finished in 0.2s]
作业6:
作业7:
作业8:
for x in range(100,1000):
a = x%10
b = x%100//10
c = x//100
if (a**3+b**3+c**3)==x:
print('水仙花数:',x)
x+=1
for x in range(100,1000):
if (((x//100)**3)+((x%100//10)**3)+((x%10)**3))==x:
print('水仙花数',x)
x+=1
水仙花数: 153
水仙花数: 370
水仙花数: 371
水仙花数: 407
[Finished in 0.2s]
作业9:
x = 12345
index = 0
for index in range(len(str(x)),0,-1):
str1 = str(x)
print(str1[index-1])
print('该数是一个%d位数'%(len(str(x))))
print('该数是一个%d位数'%(len(str(x))))
5
4
3
2
1
该数是一个5位数
[Finished in 0.2s]
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