names = ['Michael','Bob','Tracy']

for name in names:

print(name)

i =10

whilei >0:

i -=1

print(i)

range(10):  0 - 10 的数组

foriinrange(10):

print(i)

＃输出直接三角形

foriinrange(5):

forjinrange(5):

ifj <= i:

print("*", end =' '),  # 不换行输出

print("")

*

* *

* * *

* * * *

* * * * *

输出金字塔

foriinrange(3):

forjinrange(2-i):

print(end='  ')

forjinrange(i*2+1):

print("*",end=' '),

print("")

*

* * *

* * * * *

乘法表

# 乘法表

foriinrange(9):

forjinrange(9):

print('%s * %s = %s'% ((j+1),(i+1),(i+1)*(j+1)),end=' ')

ifi == j:

break

print("")

1 * 1 = 1

1 * 2 = 2 2 * 2 = 4

1 * 3 = 3 2 * 3 = 6 3 * 3 = 9

1 * 4 = 4 2 * 4 = 8 3 * 4 = 12 4 * 4 = 16

1 * 5 = 5 2 * 5 = 10 3 * 5 = 15 4 * 5 = 20 5 * 5 = 25

1 * 6 = 6 2 * 6 = 12 3 * 6 = 18 4 * 6 = 24 5 * 6 = 30 6 * 6 = 36

1 * 7 = 7 2 * 7 = 14 3 * 7 = 21 4 * 7 = 28 5 * 7 = 35 6 * 7 = 42 7 * 7 = 49

1 * 8 = 8 2 * 8 = 16 3 * 8 = 24 4 * 8 = 32 5 * 8 = 40 6 * 8 = 48 7 * 8 = 56 8 * 8 = 64

1 * 9 = 9 2 * 9 = 18 3 * 9 = 27 4 * 9 = 36 5 * 9 = 45 6 * 9 = 54 7 * 9 = 63 8 * 9 = 72 9 * 9 = 81