1. while语句

number=23

Running=True

while Running:

        guess=int(raw_input('Enter an integer:'))

        if guess==number:

                print'C ongratulations,you guessed it'#New block starts here

                Running=False

        elif guess<number:

                print'C ,you guessed it.'

        else :

                print'C dayu number'

else:

        print"loop is over"

print'Done'


2.格式化

width = input('Please enter width: ')  

  

price_width = 10  

item_width = width - price_width  

  

header_format = '%-*s%*s'  

format = '%-*s%*.2f'  

  

print '=' * width  

  

print header_format % (item_width, 'Item', price_width, 'Price')  

  

print '-' * width  

  

print format % (item_width, 'Apples', price_width, 0.4)  

print format % (item_width, 'Pears', price_width, 0.5)  

print format % (item_width, 'Cantaloupes', price_width, 1.92)  

print format % (item_width, 'Dried Apricots (16 oz.)', price_width, 8)  

print format % (item_width, 'Prunes (4 lbs.)', price_width, 12)


3.for循环

for i in range(1,5):

print i

else:

print'The for loop is over'

4.

while True:

    s=raw_input('Enter som ething:')

    if s=='quit':

        break

    print 'Length of the string is',len(s)

print 'Done'


5.

while True:

    s=raw_input('Enter some thing:')

    if s=='quit':

        break

    if len(s)<3:

        continue

    print 'Input is of sufficent length'


6.

def sayHelb():

    print 'Helb Word!'

sayHelb()


7.

def printMax(a,b):

    if a>b:

            print a,'is maximum'

    else:

            print b,'is maximum'

printMax(3,4)

x=5

y=7

printMax(x,y)


8.

def func(x):

    print'x is',x

    x=2

    print 'C hanged local x to',x

x=50

func(x)

print'x is till',x


9.

def func():

    global x

    print 'x is',x

    x=2

    print'C hanged localx to ',x

x=50

func()

print 'Value of x is',x


10.

def say(message,times=1):

    print message*times

say('Hello')

say('World',5)


11.

def func(a,b=5,c=10):

    print'a is ',a,'and b is' ,b,'and c is',c


func(3,7)

func(25,c=24)

func(c=50,a=100)


12.

def maximum(x,y):

    if x>y:

        return x

    else:

        return y

print maximum(2,3)


13.

def printMax(x,y):

    '''Prints the maximum of two numbers.

    The two values must be in tegers.'''

    x=int(x)

    y=int(y)

    if x>y:

        print x,'is maximum'

    else:

        print y,'is maximum'

printMax(3,5)

print printMax.__doc__