python练习--2

for m in range(1,10):
	for n in range(1,m+1):
		print("{0} X {1} = {2}".format(n,m,'{:0>2d}'.format(m*n)),end='\t')
	print()

1 X 1 = 01
1 X 2 = 02 2 X 2 = 04
1 X 3 = 03 2 X 3 = 06 3 X 3 = 09
1 X 4 = 04 2 X 4 = 08 3 X 4 = 12 4 X 4 = 16
1 X 5 = 05 2 X 5 = 10 3 X 5 = 15 4 X 5 = 20 5 X 5 = 25
1 X 6 = 06 2 X 6 = 12 3 X 6 = 18 4 X 6 = 24 5 X 6 = 30 6 X 6 = 36
1 X 7 = 07 2 X 7 = 14 3 X 7 = 21 4 X 7 = 28 5 X 7 = 35 6 X 7 = 42 7 X 7 = 49
1 X 8 = 08 2 X 8 = 16 3 X 8 = 24 4 X 8 = 32 5 X 8 = 40 6 X 8 = 48 7 X 8 = 56 8 X 8 = 64
1 X 9 = 09 2 X 9 = 18 3 X 9 = 27 4 X 9 = 36 5 X 9 = 45 6 X 9 = 54 7 X 9 = 63 8 X 9 = 72 9 X 9 = 81



print("#############################################################################################")

r1 = {"name":"yigao","age":30,"salary":30000,"city":"beijing"}
r2 = {"name":"ergao","age":39,"salary":20000,"city":"shanghai"}
r3 = {"name":"sangao","age":32,"salary":10000,"city":"shenzhen"}
tb = [r1,r2,r3]

for y in tb:
   if y.get('salary') >15000:
      print(i)

 

　　外层循环range 1...9

　　内层循环1...i+i   Tips:  m+1 为   内层循环的序列，例  外层循环为1  内层循环 range的范围为  1..2  

　　内层循环执行完成后，打印print()  其目的为换行