In [13]:

    

height=int(input('给定行数为：'))
line = '* '
for i in range(1,height+2):
    for k in range(1,height+2-i):
        print(' ', end='')
    for j in range(1,i):
        print(line[0]+line[1], end='')
    print()


    

    




给定行数为：5
     
    * 
   * * 
  * * * 
 * * * * 
* * * * * 

In [33]:

    

for i in range(1, 10):
    for j in range(1, i+1):
        print('{}*{}={:2} '.format(i, j, i*j), end = '')
    print()


    

    




1*1= 1 
2*1= 2 2*2= 4 
3*1= 3 3*2= 6 3*3= 9 
4*1= 4 4*2= 8 4*3=12 4*4=16 
5*1= 5 5*2=10 5*3=15 5*4=20 5*5=25 
6*1= 6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 
7*1= 7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 
8*1= 8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 
9*1= 9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81 

In [ ]:

    

def judge(n):
    for a in range(2,n-1):
        if n%a==0:
            return 0
            break
        else:
            return 1
        
number=int(input())
for i in range(2,100000):
    for j in range(2,100000):
        if(judge(i)!=0 and judge(j)!=0 and i+j==number):
            print(i,j)


    

    




93887
2 93885

In [ ]:

    

for i in [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]:
    for j in range(1,5):
        print()