python: collections counter

 

    FF=[[]]
    for i in range(0,10):
       kk = []
       for k in range(0,10):
           if(k==0):
               kk.append(i)
           else:
               kk.append(k)
       #print(kk)
       FF.insert(i,kk)
    print(FF)
    # 打印列表
    for row in FF:
        for col in row:
            print(col, end=" ")
        print()

rows, cols = (5, 5)
arr = [[0]*cols]*rows

N = 5
arr = [0 for i in range(N)]

　　

 

   entrance_fee = [70, 80, 105, 110, 120, 125]
    entrance_fee = entrance_fee + [0]
    index =6
    k = 0
    while k<6 and index==6:  # 因为这里index 是6 ，初始值必须是6
        if 115<entrance_fee[k]:
            index=k
        k=k+1
    print("index",index)
    for k in range(6,index,-1):
        entrance_fee[k]=entrance_fee[k-1]
    entrance_fee[index]=115
    print(entrance_fee)

    result = ['Pass', 'Fail', 'Pass', 'Pass', 'Pass', 'Pass', 'Pass', 'Pass', 'Pass', 'Pass']
    p=Counter(result)  # 引用库  from collections import Counter
    #print(dict(p)) #分类计数的结果
    #print(p['Pass'])
    if(p["Pass"]>=5):
        print("S/he gets the certificate of completion.")
    else:
        print("S/he needs to pass more tests.")


    while True:
        num=0
        P=0
        result = []
         #也可以用while 或for
        s=0
        while num<10 and P<=5: #当达到5时，就可以确定极格，不用再计数了
            s=num+1
            test=input(str(s)+":input Pass/Fail")
            result.append(test.strip())  #去除两头空格
            num+=1
        '''
        for k in range(0,10):
            num=k+1
            test = input(str(num)+":input Pass/Fail")
            result.append(test.strip())  # 去除两头空格
        '''

        print("score",result)

        for k in range(0, 10):
            if result[k] == "Pass":
                P = P + 1
            if P == 5:  #5极格了，就结束
                break
        if P >= 5:
            print("S/he gets the certificate of completion.")
        else:
            print("S/he needs to pass more tests.")
        yn=input("Whether to continue testing(Y/N)?")
        if(yn=='Y' or yn=='y'):
            continue
        else:
            break

　

 
    ''' 移除Paul 这个值 index 1
    eca=["Tony","Paul","Kelly","Wendy","Jack"]
    for k in range(1,4): # index 1
        eca[k]=eca[k+1]
    eca[4]="" #len-1
    '''
    while True:
        damin=input("please enter dmain name:")
        tld=""
        N=len(damin)
        dot=-1
        for i in range(0,N):
            if damin[i]=='.':
                dot=i
        if dot!=-1:
            for i in range(dot+1,N):
                tld=tld+damin[i]
            print(tld)
        else:
            print("Not a proper domain name")

        yn=input("Y/N?")
        if(yn=='Y' or yn=='y'):
            continue
        else:
            break




    word='Work Hard'
    sub_word=word[5:7]
    print(sub_word)

#移动位置 要移的index 指定的位置index 1
    show=['2A','3B','1C','4E','5A']
    temp=show[3]
    for k in range(3,1,-1):
        show[k]=show[k-1]
    show[1]=temp
    print(show)

    show=['2A','3B','1C','4E','5A']
    temp=show[3]
    for k in range(3,0,-1):
        show[k]=show[k-1]
    show[0]=temp
    print(show)
#移除
    wait = [3001, 4001, 5001, 2001, 2002, 3002, 2003, 4002, 2004, 2005]
    delindex=2
    for k in range(delindex,len(wait)-1):
        wait[k]=wait[k+1]
    wait[len(wait)-1]=0
    print(wait)


#添加一个  添加位置 index 4
    wait=[3001,4001,5001,2001,2002,3002,2003,4002,2004,2005]
    wait=wait+[0]
    for k in range(len(wait)-1,4,-1):
        wait[k]=wait[k-1]
    wait[4]=9001
    print(wait)
    print('*********')

    eca=["Tony","Paul","Kelly","Wendy","Jack"]
    eca =eca+['']
    nn=len(eca);
    for k in range(nn-1,3,-1):
        eca[k]=eca[k-1]
    eca[3]="viky"
    print(eca)


    entrance_fee = [70, 80, 105, 110, 120, 125]
    entrance_fee = entrance_fee + [0]
    index = 6
    k = 0
    '''
    while k < 6 and index == 6:  # 因为这是6，初始值必须是6
        if 115 < entrance_fee[k]:
            index = k
        k = k + 1
    '''
    ''''''
    for f in range(0,6):
        if 115>entrance_fee[f]:
            index=f
    print("index",index)
    for k in range(6,index,-1):
        entrance_fee[k]=entrance_fee[k-1]
        print(entrance_fee[k])
    entrance_fee[index]=115
    print(entrance_fee)