狠狠撸

飪� 袣.挟. 袩芯谢褟泻芯胁, 2015 http://kpolyakov.spb.ru
1
袩褉芯谐褉邪屑褍胁邪薪薪褟
屑芯胁芯褞 Python
袧邪泄锌褉芯褋褌褨褕褨锌褉芯谐褉邪屑懈
袨斜褔懈褋谢械薪薪褟
袪芯蟹谐邪谢褍卸械薪薪褟
小懈屑胁芯谢褜薪褨胁械谢懈褔懈薪懈
笑懈泻谢褨褔薪褨邪谢谐芯褉懈褌屑懈

袧邪泄锌褉芯褋褌褨褕褨锌褉芯谐褉邪屑懈
2

袗谢谐芯褉懈褌屑懈蟹邪褑懈褟懈锌褉芯谐褉邪屑屑懈褉芯胁邪薪懈械, 褟蟹褘泻 Python
袧邪泄锌褉芯褋褌褨褕邪锌褉芯谐褉邪屑邪
3
# 笑械锌芯褉芯卸薪褟锌褉芯谐褉邪屑邪
些芯褉芯斜懈褌褜褑褟锌褉芯谐褉邪屑邪?
?
泻芯屑械薪褌邪褉褨锌褨褋谢褟 #
薪械芯锌褉邪褑褜芯胁褍褞褌褜褋褟
# coding: utf-8
# 笑械锌芯褉芯卸薪褟锌褉芯谐褉邪屑邪
泻芯写褍胁邪薪薪褟 utf-8 蟹邪
蟹邪屑芯胁褔褍胁邪薪薪褟屑)
"""
笑械褌邪泻芯卸泻芯屑械薪褌邪褉
"""

袙懈胁械写械薪薪褟薪邪械泻褉邪薪
4
print ( "2+2=?" )
print ("袙褨写锌芯胁褨写褜: 4")
袩褉芯褌芯泻芯谢:
2+2=?
袙褨写锌芯胁褨写褜: 4
邪胁褌芯屑邪褌懈褔薪懈泄
锌械褉械褏褨写薪邪薪芯胁懈泄
褉褟写芯泻
print ( '2+2=?' )
print ('袙褨写锌芯胁褨写褜: 4' )

袛芯写邪胁邪薪薪褟褔懈褋械谢
5
袟邪写邪褔邪. 袙胁械褋褌懈蟹泻谢邪胁褨邪褌褍褉褘懈写胁邪褔懈褋谢邪褨蟹薪邪泄褌懈褩褏褋褍屑褍.
袙胁械写褨褌褜写胁邪褑褨谢懈褏褔懈褋谢邪
25
30
25+30=55
袣芯屑锌鈥櫻幯傂笛€
泻芯褉懈褋褌褍胁邪褔
袣芯屑锌鈥櫻幯傂笛€ 褉邪褏褍褦褋邪屑!

袟屑褨薪薪褨
6
袟屑褨薪薪邪鈥� 褑械胁械谢懈褔懈薪邪, 褟泻邪屑邪褦褨屑鈥櫻�, 褌懈锌褌邪
蟹薪邪褔械薪薪褟. 袟薪邪褔械薪薪褟蟹屑褨薪薪芯褩屑芯卸薪邪
蟹屑褨薪褞胁邪褌懈锌褨写褔邪褋褉芯斜芯褌懈锌褉芯谐褉邪屑懈.
袟薪邪褔械薪薪褟
袉屑鈥櫻�

袉屑械薪邪蟹屑褨薪薪懈褏
7
袦袨袞袧袗胁懈泻芯褉懈褋褌芯胁褍胁邪褌懈
鈥� 谢邪褌懈薪褋褜泻褨斜褍泻胁懈 (A-Z, a-z)
鈥� 泻懈褉懈谢懈褑褞 (薪械屑芯卸薪邪!)
鈥� 褑懈褎褉懈
鈥� 蟹薪邪泻锌褨写泻褉械褋谢械薪薪褟 _
袙械谢懈泻褨褌邪屑邪谢械薪褜泻褨谢褨褌械褉懈褉芯蟹褉褨蟹薪褟褞褌褜褋褟
袧袝屑芯卸薪邪胁懈泻芯褉懈褋褌芯胁褍胁邪褌懈
鈥� 写褍卸泻懈
鈥� 蟹薪邪泻懈 +, =, !, ? 褌芯褖芯.
袉屑鈥櫻� 薪械屑芯卸械锌芯褔懈薪邪褌懈褋褟蟹褑懈褎褉懈
携泻褨褨屑械薪邪蟹邪锌懈褋邪薪芯锌褉邪胁懈谢褜薪芯?
AXby R&B 4Wheel 袙邪褋褟鈥淧esBarbos鈥�
TU154 [QuQu] _ABBA A+B

孝懈锌懈蟹屑褨薪薪懈褏
8
a = 4
print ( type(a) )
<class 'int'>
褑褨谢械褔懈褋谢芯 (integer)
a = 4.5
print ( type(a) )
<class 'float'>
写褨泄褋薪械褔懈褋谢芯 (float)
a = "袙邪褋褟"
print ( type(a) )
<class 'str'> 褋懈屑胁芯谢褜薪懈泄褉褟写芯泻 (str)
a = True
print ( type(a) )
<class 'bool'> 谢芯谐懈褔械褋泻薪邪 (bool)

袛谢褟褔芯谐芯锌芯褌褉褨斜械薪褌懈锌蟹屑褨薪薪芯褩?
9
孝懈锌胁懈蟹薪邪褔邪褦:
鈥� 芯斜谢邪褋褌褜写芯锌褍褋褌懈屑懈褏蟹薪邪褔械薪褜
鈥� 写芯锌褍褋褌懈屑褨芯锌械褉邪褑褨褩
鈥� 芯斜鈥櫻斝� 锌邪屑鈥櫻徰傃�
鈥� 褎芯褉屑邪褌蟹斜械褉褨谐邪薪薪褟写邪薪懈褏

携泻蟹邪锌懈褋邪褌懈蟹薪邪褔械薪薪褟胁蟹屑褨薪薪褍?
10
a = 5
芯锌械褉邪褌芯褉
锌褉懈褋胁芯褞胁邪薪薪褟褟
袩褉懈蟹邪锌懈褋褨薪芯胁芯谐芯蟹薪邪褔械薪薪褟
褋褌邪褉械胁懈写邪谢褟褦褌褜褋褟褨蟹锌邪屑鈥櫻徰傃�!
!
5
袨锌械褉邪褌芯褉鈥� 褑械泻芯屑邪薪写邪屑芯胁懈锌褉芯谐褉邪屑褍胁邪薪薪褟
(褨薪褋褌褉褍泻褑褨褟).
袨锌械褉邪褌芯褉锌褉懈褋胁芯褞胁邪薪薪褟鈥� 褑械泻芯屑邪薪写邪写谢褟
锌褉懈褋胁芯褞胁邪薪薪褟薪芯胁芯谐芯蟹薪邪褔械薪薪褟蟹屑褨薪薪褨泄.
a
a = 7 7

袙胁械写械薪薪褟蟹薪邪褔械薪薪褟蟹泻谢邪胁褨邪褌褍褉懈
11
1. 袩褉芯谐褉邪屑邪褔械泻邪褦写芯泻懈泻芯褉懈褋褌褍胁邪褔胁胁械写械
蟹薪邪褔械薪薪褟褨薪邪褌懈褋薪械 Enter.
2. 袙胁械写械薪械蟹薪邪褔械薪薪褟蟹邪锌懈褋褍褦褌褜褋褟胁蟹屑褨薪薪褍 a
!
5
a

袙胁械写械薪薪薪褟蟹薪邪褔械薪薪褟蟹泻谢邪胁褨邪褌褍褉懈
12
a = input() 胁胁械褋褌懈褉褟写芯泻蟹泻谢邪胁褨邪褌褍褉懈褨
蟹邪锌懈褋邪褌懈胁蟹屑褨薪薪褍 a
b = input()
褋 = a + b
print ( c )
21
33
2133
效芯屑褍?
?
袪械蟹褍谢褜褌邪褌褎褍薪泻褑褨褩 input 鈥� 褉褟写芯泻褋懈屑胁芯谢褨胁!
!
a = int( input() )
b = int( input() )
锌械褉械褌胁芯褉懈褌懈胁
褑褨谢械褔懈褋谢芯

袙胁械写械薪薪褟蟹锌褨写泻邪蟹泻芯褞
13
a = input ( "袙胁械写褨褌褜褔懈褋谢芯: " )
锌褨写泻邪蟹泻邪
袙胁械写褨褌褜褔懈褋谢芯: 26
些芯薪械褌邪泻?
?
a = int( input("袙胁械写褨褌褜褔懈褋谢芯: ") )

袟屑褨薪邪蟹薪邪褔械薪褜蟹屑褨薪薪芯褩
14
a = 5
b = a + 2
a = (a + 2)*(b 鈥� 3)
b = b + 1
a 5
b =5+2
7
28 =(5+2)*(7-3)
=7+1
8

袙懈胁械写械薪薪褟写邪薪懈褏
15
print ( a ) 袟薪邪褔械薪薪褟
蟹屑褨薪薪芯褩
print ( 芦袙褨写锌芯胁褨写褜: ",
a )
袟薪邪褔械薪薪褟褨
褌械泻褋褌
锌械褉械褔懈褋谢械薪懈械褔械褉械蟹蟹邪锌褟褌褍褞
print ( 芦袙褨写锌芯胁褨写褜: ", a+b ) 芯斜褔懈褋谢械薪薪褟
胁懈褉邪蟹褍
print ( a, "+", b, "=", c )
2 + 3 = 5 褔械褉械蟹锌褉芯锌褍褋泻懈
print ( a, "+", b, "=", c, sep = "" )
2+3=5
sep = ""
袟邪斜褉邪褌懈褉芯蟹写褨谢褞胁邪褔褨

袛芯写邪胁邪薪薪褟褔懈褋械谢: 锌褉芯褋褌懈泄褉芯蟹胁鈥櫻徯沸拘�
16
a = int ( input() )
b = int ( input() )
c = a + b
print ( c )
些芯锌邪谐邪薪芯?
?

print ( "袙胁械写褨褌褜写胁邪褑褨谢懈褏褔懈褋谢邪: " )
a = int ( input() )
b = int ( input() )
c = a + b
print ( a, "+", b, "=", c, sep="" )
袛芯写邪胁邪薪薪褟褔懈褋械谢: 锌芯胁薪懈泄褉芯蟹胁鈥櫻徯沸拘�
17
袙胁械写褨褌械写胁邪褑褨谢懈褏褔懈褋谢邪
25
30
25+30=55
袣芯屑锌鈥櫻幯傂笛€
泻芯褉懈褋褌褍胁邪褔
锌褨写泻邪蟹泻邪

袨斜褔懈褋谢械薪薪褟
18

袗褉懈褎屑械褌懈褔薪褨胁懈褉邪蟹懈
19
a = (c + b**5*3 - 1) / 2 * d
袩褉褨芯褉懈褌械褌 (锌芯褉褟写芯泻胁懈泻芯薪邪薪薪褟):
1) 写褍卸泻懈
2) 锌褨写薪械褋械薪薪褟写芯褋褌械锌械薪褟 **
3) 屑薪芯卸械薪薪褟褨写褨谢械薪薪褟
4) 袛芯写邪胁邪薪薪褟褨胁褨写薪褨屑邪薪薪褟
1 2
3 4 5 6
d
b
c
a 飪�
飥�
飪�
飥�
飥�
2
1
3
5
a = (c + b*5*3 - 1)
/ 2 * d

锌械褉械薪械褋械薪薪褟薪邪
薪邪褋褌褍锌薪懈泄褉褟写芯泻
a = (c + b*5*3
- 1) / 2 * d
锌械褉械薪械褋械薪薪褟
胁褋械褉械写懈薪褨写褍卸芯泻
写芯蟹胁芯谢械薪芯

袛褨谢械薪薪褟
20
袣谢邪褋懈褔薪械写褨谢械薪薪褟:
a = 9; b = 6
x = 3 / 4 # = 0.75
x = a / b # = 1.5
x = -3 / 4 # = -0.75
x = -a / b # = -1.5
笑褨谢芯褔懈褋械谢褜薪械写褨谢械薪薪褟 (芯泻褉褍谐谢械薪褟芦胁薪懈蟹禄!):
a = 9; b = 6
x = 3 // 4 # = 0
x = a // b # = 1
x = -3 // 4 # = -1
x = -a // b # = -2

袨褋褌邪褔邪胁褨写写褨谢械薪薪褟
21
% 鈥� 芯褋褌邪褔邪胁褨写写褨谢械薪薪褟
d = 85
b = d // 10 # 8
a = d % 10 # 5
d = a % b # 5
d = b % a # 3
a = 15
b = 19
d = a // b # 0
a = a % b # 15

小泻芯褉芯褔械薪懈泄蟹邪锌懈褋芯锌械褉邪褑褨泄
22
a += b # a = a + b
a -= b # a = a - b
a *= b # a = a * b
a /= b # a = a / b
a //= b # a = a // b
a %= b # a = a % b
a += 1
蟹斜褨谢褜褕械薪薪褟薪邪 1

袚械薪械褉邪褌芯褉胁懈锌邪写泻芯胁懈褏褔懈褋械谢
23
袚械薪械褉邪褌芯褉薪邪 [0,1):
X = random.random() # 锌褋械胁写芯褋谢. 褔懈褋谢芯
Y = random.random() # 胁卸械褨薪褕械褔懈褋谢芯!
笑褨谢褨褔懈褋谢邪薪邪胁褨写褉褨蟹泻褍 [a,b]:
X = random.randint(1,6) # 锌褋械胁写芯褋谢. 褔懈褋谢芯
Y = random.randint(1,6) # 胁卸械褨薪褕械褔懈褋谢芯!
import random 邪薪谐谢. random 鈥� 胁懈锌邪写泻芯胁懈泄

袚械薪械褉邪褌芯褉胁懈锌邪写泻芯胁懈褏褔懈褋械谢
24
袚械薪械褉邪褌芯褉薪邪 [0,1):
X = random() # 锌褋械胁写芯褋谢褍褔邪泄薪械褔懈褋谢芯
Y = random() # 褑械胁卸械褨薪褕械褔懈褋谢芯!
笑褨谢褨褔懈褋谢邪薪邪胁褨写褉褨蟹泻褍 [a,b]:
X = randint(10,60) # 锌褋械胁写芯褋谢褍褔邪泄薪械褔懈褋谢芯
Y = randint(10,60) # 褑械胁卸械褨薪褕械褔懈褋谢芯!
from random import *
邪薪谐谢. random 鈥� 胁懈锌邪写泻芯胁懈泄
锌褨写泻谢褞褔懈褌懈胁褋械!

袪芯蟹谐邪谢褍卸械薪薪褟
25

校屑芯胁薪懈泄芯锌械褉邪褌芯褉
26
袟邪写邪褔邪: 蟹屑褨薪懈褌懈锌芯褉褟写芯泻写褨泄胁蟹邪谢械卸薪芯褋褌褨胁褨写胁泻芯薪邪薪薪褟
写械褟泻芯褩褍屑芯胁懈.
M = a
a > b?
M = b
褌邪泻薪褨
胁懈胁械写械薪薪褟 M
锌芯胁薪邪褎芯褉屑邪
褉芯蟹谐邪谢褍卸械薪薪褟
携泻褖芯 a = b?
?
if a > b:
M = a
else:
M = b
胁褨写褋褌褍锌懈

校屑芯胁薪懈泄芯锌械褉邪褌芯褉: 薪械锌芯胁薪邪褎芯褉屑邪
27
M = b
b > a?
写邪薪械褌
胁懈胁械写械薪薪褟 M
M = a
薪械锌芯胁薪邪
褎芯褉屑邪
褉芯蟹谐邪谢褍卸械薪薪褟
M = a
if b > a:
M = b
M = max(a, b)
袪芯蟹胁鈥櫻徯沸拘� 胁褋褌懈谢褨 Python:
M = a if a > b else b

校屑芯胁薪懈泄芯锌械褉邪褌芯褉
28
if a > b:
褋 = a
a = b
b = c
些芯褉芯斜懈褌褜?
?
4 6
?
4
6 4
a b
2
c
a, b = b, a
袪芯蟹胁鈥櫻徯沸拘� 胁褋褌懈谢褨 Python:

袟薪邪泻懈胁褨写薪芯褕械薪褜
29
> <
>=
<=
==
!=
斜褨谢褜褕械, 屑械薪褜褕械
斜褨谢褜褕械邪斜芯写芯褉褨胁薪褞褦
屑械薪褜褕械邪斜芯写芯褉褨胁薪褞褦
写芯褉褨胁薪褞褦
薪械写芯褉褨胁薪褞褦

袙泻谢邪写械薪褨褍屑芯胁薪褨芯锌械褉邪褌芯褉懈
30
if a > b:
print("袗薪写褉褨泄褋褌邪褉褕械")
else:
if a == b:
print(芦芯写薪芯谐芯胁褨泻褍")
else:
print("袘芯褉懈褋褋褌邪褉褕械")
胁泻谢邪写械薪懈泄褍屑芯胁薪懈泄
芯锌械褉邪褌芯褉
袟邪写邪褔邪: 胁蟹屑褨薪薪懈褏 a 褌邪 b 蟹邪锌懈褋邪薪芯胁褨泻袗薪写褉褨褟褌邪袘芯褉懈褋邪.
啸褌芯褨蟹薪懈褏褋褌邪褉褕械?
小泻褨谢褜泻懈胁邪褉褨邪薪褌褨胁?
?

袣邪褋泻邪写薪械褉芯蟹谐邪谢褍卸械薪薪褟
31
if a > b:
print("袗薪写褉褨泄褋褌邪褉褕械")
elif a == b:
print("袨写薪芯谐芯胁褨泻褍")
else:
print("袘芯褉懈褋褋褌邪褉褕械")
elif = else if
!

袣邪褋泻邪写薪械褉芯蟹谐邪谢褍卸械薪薪褟
32
cost = 1500
if cost < 1000:
print ( "小泻懈写芯泻薪械屑邪褦." )
elif cost < 2000:
print ( "小泻懈写泻邪 2%." )
elif cost < 5000:
else:
些芯胁懈胁械写械?
?
袩械褉褕邪褍屑芯胁邪, 褖芯
褋锌褉邪褑褞胁邪谢邪
小泻懈写泻邪 2%.

小泻谢邪写械薪褨褍屑芯胁懈
33
袟邪写邪褔邪: 薪邪斜褨褉褋锌褨胁褉芯斜褨褌薪懈泻褨胁褍胁褨褑褨 25-40 褉芯泻褨胁 (胁泻谢褞褔薪芯).
if :
print("锌褨写褏芯写懈褌褜")
else:
print("薪械锌褨写褏芯写懈褌褜")
and
v >= 25 and v <= 40
小泻谢邪写械薪邪褍屑芯胁邪
芦袉禄: 芯写薪芯褔邪褋薪械胁懈泻芯薪邪薪薪褟
胁褋褨褏褍屑芯胁!

34
袟邪写邪褔邪: 薪邪斜褨褉褋锌褨胁褉芯斜褨褌薪懈泻褨胁褍胁褨褑褨 25-40 褉芯泻褨胁 (胁泻谢褞褔薪芯).
if :
print("薪械锌褨写褏芯写懈褌褜")
else:
print("锌褨写褏芯写懈褌褜")
v < 25 or v > 40
褋泻谢邪写械薪邪褍屑芯胁邪
or 芦袗袘袨禄: 胁懈泻芯薪邪薪薪褟褏芯褔邪斜芯写薪褨褦褩
褨蟹写胁芯褏褍屑芯胁!

35
if not(a < b):
print("C褌邪褉褌!")
not
袩褉褨芯褉懈褌械褌 :
1) 胁褨写薪芯褕械薪薪褟 (<, >, <=, >=, ==, !=)
2)not (芦袧袉禄)
3)and (芦袉禄)
4)or (芦袗袘袨禄)
芦袧袉禄: 褟泻褖芯胁懈泻芯薪褍褦褌褜褋褟芯斜械褉薪械薪邪褍屑芯胁邪
if a >= b:
print("C褌邪褉褌!")

小懈屑胁芯谢褜薪褨褉褟写泻懈
36

小懈屑胁芯谢褜薪褨褉褟写泻懈
37
袩芯褔邪褌泻芯胁械蟹薪邪褔械薪薪褟:
小泻谢械褞胁邪薪薪褟:
s = "袩褉懈胁褨褌!" 袪褟写芯泻鈥� 褑械
锌芯褋谢褨写芯胁薪褨褋褌褜
褋懈屑胁芯谢芯胁!
!
袙懈胁械写械薪薪褟薪邪械泻褉邪薪:
print ( s )
袩芯胁褌芯褉械薪薪褟:
s = "袗校"
s5 = s*5 袗校袗校袗校袗校袗校
s5 = s + s + s + s + s
s1 = "袩褉懈胁械褌"
s2 = "袙邪褋褟"
s = s1 + ", " + s2 + "!"
"袩褉懈胁褨褌, 袙邪褋褟!"

笑懈泻谢褨褔薪褨邪谢谐芯褉懈褌屑懈
38

些芯褌邪泻械褑懈泻谢?
39
笑懈泻谢鈥� 褑械胁懈泻芯薪邪薪薪褟芯写懈薪邪泻芯胁懈褏写褨泄写械泻褨谢褜泻邪褉邪蟹褨胁.
袛胁邪胁懈写邪褑懈泻谢褨胁:
鈥� 褑懈泻谢蟹胁褨写芯屑懈屑褔懈褋谢芯屑锌芯胁褌芯褉械薪褜(蟹褉芯斜懈褌懈10 褉邪蟹褨胁)
鈥� 褑懈泻谢褋薪械胁褨写芯屑懈屑褔懈褋谢芯屑锌芯胁褌芯褉械薪褜 (褉芯斜懈褌懈, 锌芯泻懈
薪械薪邪斜褉懈写薪械)

笑懈泻谢蟹褍屑芯胁芯褞
40
袟邪写邪褔邪. 袙懈蟹薪邪褔懈褌懈泻褨谢褜泻褨褋褌褜褑懈褎褉胁写械褋褟褌泻芯胁芯屑褍
蟹邪锌懈褋褨褑褨谢芯谐芯写芯写邪褌薪褜芯谐芯褔懈褋谢邪, 蟹邪锌懈褋邪薪薪芯谐芯胁蟹屑褨薪薪褍
n.
谢褨褔懈谢褜薪懈泻 = 0
锌芯泻懈 n > 0:
蟹邪斜褉邪褌懈芯褋褌邪薪薪褞褑懈褎褉褍
褔懈褋谢邪 n
蟹斜褨谢褜褕懈褌懈谢褨褔懈谢褜薪懈泻薪邪 1
n 袥褨褔懈谢褜薪懈泻
1234 0
123 1
12 2
1 3
0 4
携泻蟹邪斜褉邪褌懈芯褋褌邪薪褞褑懈褎褉褍?
?
n = n // 10
携泻蟹斜褨谢褜褕懈褌懈谢褨褔懈谢褜薪懈泻薪邪 1?
?
谢褨褔懈谢褜薪懈泻= 谢褨褔懈谢褜薪懈泻+ 1 袥褨褔懈谢褜薪懈泻+= 1

笑懈泻谢蟹褍屑芯胁芯褞
41
count = 0
while :
n = n // 10
count += 1
褌褨谢芯褑懈泻谢邪
锌芯褔邪褌泻芯胁械蟹薪邪褔械薪薪褟
谢褨褔懈谢褜薪懈泻邪
n > 0
褍屑芯胁邪
锌褉芯写芯胁卸械薪薪褟
蟹邪谐芯谢芯胁芯泻
褑懈泻谢邪
笑懈泻谢蟹锌械褉械写褍屑芯胁芯褞鈥� 锌械褉械胁褨褉泻邪薪邪胁褏芯写褨胁褑懈泻谢!
!

笑懈泻谢褨蟹锌邪褉邪屑械褌褉芯屑 (谢褨褔懈谢褜薪懈泻芯屑)
42
袟邪写邪褔邪. 袙懈胁械褋褌懈 10 褉邪蟹褨胁褋谢芯胁芯芦袩褉懈胁褨褌!禄.
效懈屑芯卸谢懈胁芯褑械褨蟹褑懈泻谢芯屑芦锌芯泻懈禄?
?
while :
print("袩褉懈胁褨褌!")
i = 0
i < 10
i += 1
for :
print("袩褉懈胁褨褌!")
i in range(10)
胁写褨邪锌邪蟹芯薪褨
[0,10)
笑懈泻谢褋锌邪褉邪屑械褌褉芯屑:
袧械胁泻谢褞褔邪褞褔懈 10!
!
range(10) 飩� 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

笑懈泻谢蟹锌邪褉邪屑械褌褉芯屑
43
袟邪写邪褔邪. 袙懈胁械褋褌懈胁褋褨褋褌械锌械薪褨写胁褨泄泻懈胁褨写 21 写芯 210.
for :
print ( 2**k )
k in range(1,11)
胁写褨邪锌邪蟹芯薪褨
[1,11)
笑懈泻谢蟹锌邪褉邪屑械褌褉芯屑:
袧械胁泻谢褞褔邪褞褔懈
11!
!
range(1,11) 飩� 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

笑懈泻谢褋锌邪褉邪屑械褌褉芯屑: 褨薪褕懈泄泻褉芯泻
44
100
81
64
49
36
25
16
9
4
1
些芯锌芯褌褉懈屑邪褦屑芯?
?
1
9
25
49
81
for :
print ( k**2 )
k in range(1,11,2)
for :
print ( k**2 )
k in range(10,0,-1)
泻褉芯泻
10,9,8,7,6,5,4,3,2,1
1,3,5,7,9

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