1、python关键字
and |
as |
assert |
break |
class |
continue |
def |
del |
elif |
else |
except |
finally |
for |
from |
False |
global |
if |
import |
in |
is |
lambda |
nonlocal |
not |
None |
or |
pass |
raise |
return |
try |
True |
while |
with |
yield |
2、字符串序号(正向递增序号和反向递减序号)
反向递减序号
-10 |
-9 |
-8 |
-7 |
-6 |
-5 |
-4 |
-3 |
-2 |
-1 |
欢 |
迎 |
学 |
习 |
P |
Y |
T |
H |
O |
N |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
正向递增序号
欢迎指正