【Python爬虫】-测试题

一.作业内容：测试题
二.作业代码：

1.png 2.png

a=10
b=3
print("a+b=",a+b)
print("a-b=",a-b)
print("a*b",a*b)
print("b/a=",b/a)
print("10的3次幂=",pow(10,3))
print("a/b",a/b)
print("10%3=",10%3)

sum=0
for x in range(1,101):
    sum+=x
print(sum)

sum=0

num=[x for x in range(1,101) if x%2==0]
for n in num:
    sum+=n
print(sum)

id='d55ea4b3e190'
sum=0
for x in id:
    if x.isdigit():
        sum+=int(x)

    else:
        pass
print(sum)

id='d55ea4b3e190'

a=list(id)
a.sort()
print(a)

str='0cd768f4b1a1dac0c512e452726361d9'
str_list=list(str)
# str_tuple=tuple(str)
str_trans=[]
i=0
j=0
if(len(str_list)%2!=0):
    str_list.pop()
else:pass
while(i<(len(str_list)-2)):
    str_trans.append(str_list[i]+str_list[i+1])
    i=i+1
str_tuple=tuple(str_trans)
print(str_trans)
print(str_tuple)

dic={}
for i in range(1,4):
    dic[i-1]=str(i)

print(dic)

dict_date = {"Led Zeppelin":1969,
             "Led Zeppelin II": 1969,
             "Led Zeppelin III": 1970,
             "Led Zeppelin IV": 1971,
             "Houses of the Holy":1973,
             "Physical Graffiti": 1975,
             "Presence":1976,
             "In Through the Out Door":1979,
             "Coda":1982}

for k,v in dict_date.items():
    if(v>=1970 & v<1976):
        print(k)
    else:pass

def swap(x,y):
    x,y=y,x
    return (x,y)
a=1
b=2
print("a={} b={} ".format(a,b))
(a,b)=swap(a,b)
print('交换后 a={} b={}'.format(a,b))

#print("通过range(10)产生一个[0,1,2,3,4,5,6,7,8,9],通过for循环遍历，并且判断是否为偶数，如果是偶数，则添加到list_a")
list_a = [i for i in range (10) if i % 2]
print(list_a)

dict_date = {"Led Zeppelin":1969,
             "Led Zeppelin II": 1969,
             "Led Zeppelin III": 1970,
             "Led Zeppelin IV": 1971,
             "Houses of the Holy":1973,

             }
val_list=[]
dic={}
for k,v in dict_date.items():

    if v in val_list:
        pass
    else:
        val_list.append(v)
        dic[v]=[k]


print(dic)

import  os
import time
num=range(1,13)
i=0
f=open("test.html","a+")
while(i<=12):
    i=i+1
    print("**********第%d题**************" %i )
    os.system("python {}.py".format(i))
    if(i==11):
        print("存储为value list未完成！")
        time.sleep(5)
        break
    f.close()

三.学习总结：文件操作陌生，字符串的一些操作不够熟练。