1 #coding=utf-8

2 #print函數

3 print 3, -1, 3.14159, -2.8

4 #type函數

5 print type(3), type(3.14159), type("123")6 #類型轉換

7 print int(3.14159), int(-2.8)8 print float(3), float(-1)9 #輸出字符串

10 print "span" + "and" + "eggs"

11 str1 = "teacher"

12 str2 = "student"

13 print "I'm a %s, not a %s"%(str1, str2)14 s = "123"

15 print type(s) ==str16 #次方

17 print 3 ** 3

18 print 81 ** 0.5

一.變量

1 #coding=utf-8

2 #變量

3 meal = 40

4 tip = 0.5

5 total = meal * (1 +tip)6 print "%.2f"%total7

8 fifth_letter = "MONTY"[4]9 printfifth_letter10

11 #正常除，地板除

12 print 1 / 2.0

13 print 1 // 2.0

14

15 #復數

16 x = 2.4 + 5.6j

17 printx.imag18 printx.real19 print x.conjugate()

二.續行符

1 #coding=utf-8

2 #續行符

3 a = "aaaaaa"\4 "bbbbbbb"

5 printa6 print "---------------"

7 #(),[],{},'''可以不用續行

8 a = ("aaaaa"

9 "bbbbb")10 printa11 print "---------------"

12 a = ["aaaaa"

13 "bbbbbbb"]14 printa15 print "---------------"

16 a = {"aaaaaa"

17 "bbbbbbb"}18 printa19 print "---------------"

20 a = '''aaaaaaaaa21 bbbbbbbbb'''

22 printa23 print "---------------"

三.is，round函數

1 #coding=utf-8

2 #is是通過對象id判斷

3 a = 100.0

4 b = 100

5 c = 100

6 print a ==b7 print a isb8 print c isb9 print "------------"

10 #四舍五入

11 print round(3.4)12 print round(3.5)13 print "------------"

14 #函數

15 defspam():16 eggs = 12

17 returneggs18 print spam()

四.if結構，函數

1 ifTrue:2 pass

3 elifTrue:4 pass

5 else:6 pass

7 #continue,break

8

9 print 8 > 4 > 2

10 print 8 > 4 == 4

11 print "-----------"

12

13 deff(x, y):14 pass

15 print f(68, False)16 print f(y = False, x = 68)17 #print f(y = False, 68),error

五.局部全局變量

1 #coding=utf-8

2 """

3 全局，局部變量4 """

5 num = 4

6 deff():7 num = 3

8 f()9 print num #4

10

11 defg():12 globalnum13 num = 3

14 g()15 print num #3

六.字符串

1 #coding=utf-8

2 #字符串

3 a = "Xsxx"

4 printlen(a)5 printa.lower()6 printa.upper()7 printa.isalpha()8 print a.istitle()#首字母大寫，其他字母小寫s

9 printa[0]10 print a[1:3]11 print type(str(3.14))

七.鍵盤輸入

1 #coding=utf-8

2 #從鍵盤輸入

3 num = raw_input("what's the number?")

八.日期

1 #coding=utf-8

2 #日期

3 from datetime importdatetime4 now =datetime.now()5 printnow6 printnow.year7 printnow.month8 printnow.day9 print "%s:%s:%s"%(now.hour, now.minute, now.second)

九.數學

1 #coding=utf-8

2 #數學

3 from math import *

4 print sqrt(25)5 a = [1,2,3,4,5]6 printmax(a)7 printmin(a)8 print abs(-5)9 #print dir(math),error:no math

10

11 importmath12 print dir(math)

十.參數

1 #coding=utf-8

2 #參數不確定時，*args,**kwargs(**kwargs有key值)

3 a = [1, 2, 3, 4]4 b = 4

5 c = '111'

6

7 def f(*args):8 for i inargs:9 printi10 f(a,b,c)11

12 def g(**kwargs):13 printkwargs14 g(z = 1, k = 2, l = 3)

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