ifÓï¾ä

#!/usr/bin/env python
user = 'jack'
passwd = 'jack'
username = input('username:')
password = input('password:')

if user == username and passwd == password :
    print("welcome login...")
else:
    print("Invalid user name or password...")

age = 22
counter = 0
for i in  range(10):
print('counter',counter)
if counter < 3:
    guess_num = int(input('input your guess num:'))
    if guess_num == age :
        print('Congratulations ! you got it.')
        break #Ìø³öÕû¸öÑ­»·
    elif guess_num > age:
        print('Think smaller!')
    else:
        print('Think Big...')
else:
    continue_confirm = input('Do you want to continue because you are stupid:')
    if continue_confirm == 'y':
        counter = 0
        continue #Ìø³ö±¾´ÎÑ­»·
    else:
        print('bye')
        break
counter += 1    #counter = counter + 1

#!/usr/bin/env python
count = 0
while True:
    count += 1 #count×ÔÔö
    if count > 50 and count < 60: #countÌø¹ý50-60Ö®¼äµÄÑ­»·
        continue #Ìø³ö±¾´ÎÑ­»·
    print('hello word',count)
    if count == 100:
        print('ÒÑÔÝÍ£')
        break #Ìø³öÈ«¾ÖÑ­»·
# whileÑ­»·±¾ÉíÊÇËÀÑ­»·£¬ÉÏÃæ´úÂëʾÀýwhileÓ÷¨

username = input("username:")
if username.strip() == 'liangml':
    print('welcome')

name = "liangml,tom,jack"
name2 = name.split(",") #²ð·ÖÒÔ¶ººÅ·Ö¸ôµÄ×Ö·û´®µÃµ½Ò»¸öÁбí
print('|'.join(name2))#joinÊǽ«name2½á¹ûÒÔ|ÐÎʽºÏ²¢µ½Ò»Æð
print(name2)

print(name.capitalize())

format×Ö·û´®Á½ÖÖ¸³Öµ·½Ê½msg = "Hello,{name},It's been a long {age} since last time sopke...."
msg2 = msg.format(name="zhangsan",age=111)
print(msg2)
msg2 = "lisi{0},dddd{1}"
print(msg2.format("liangml",22))

name = 'jack,tom,zhangsan,lisi'
print(name)
print(name.center(40,'-'))

print(name.find('a'))

age = input('your age:')
if age.isdigit():
    age = int(age)
else:
    print('Invalid data type')

name = 'liangml'
print(name.isalnum())

print(name.endswith("ml"))
print(name.startswith('ml'))

print(name.upper())
print(name.lower())

import  copy

list = ['Jack','Tom',[' Abby','Ada'],1,2,3,33,3,3,3,2] #ÁбíÀï¿ÉÒÔǶÌ×Áбí

list12 = ['Jack','Tom',' Abby','Ada']

list1 = name[1] #²é¿´µÚÒ»¸öÔªËØ
list1 = name[-1] #²é¿´×îºóÒ»¸öÔªËØ
list1 = name[:2] #È¡³öÇ°Á½¸öÔªËØ
list1 = name[-5:] #È¡³öºó5¸öÔªËØ£¬Ä¬ÈÏ°üº¬×îºóÒ»¸öÔªËØ
print('Tom' in list) #²é¿´ÁбíÖÐÊÇ·ñÓжÔÓ¦ÔªËØ£¬·µ»ØÒ»¸ö²¼¶ûÖµ

list.remove("Tom") #ɾ³ýÒ»¸öÔªËØ
del list[2:4] #delÊÇÒ»¸öÈ«¾ÖÓ÷¨£¬¿ÉÒÔɾ³ýÈ«¾ÖÈκÎÊý¾Ý
list.pop(1) #ʹÓÃpopɾ³ýĬÈÏɾ³ýµÚÒ»¸ö

list.append('liangml') #append×·¼ÓÒ»¸ö
list.insert(2,'shit') #ÔÚÁбíÖвåÈëÒ»ÌõÊý¾Ý

list[1] = 'tom'

list12.sort() #python2.xÖÐ×Ö·û´®ºÍÊý×Ö»áÅÅÐòÊý×ÖÔÚÇ°£¬Python3.xÖÐ×Ö·û´®¡¢Êý×ÖÎÞ·¨ÅÅÐò
list1 = list.count(3) #ͳ¼ÆÁбíij¸öÔªËØÊýÁ¿
list2 = list.index(33) #index²é¿´¶ÔÓ¦ÔªËØË÷Òý
list4 = list.extend(list12) #½«list12ÁбíÀ©Õ¹ÈëlistÁбíÖÐ

list5 = list.copy() #ÁбícopyÓ÷¨Ö»¸´ÖÆÁбíÖеÚÒ»²ã£¬Ç¶ÈëʽÁÐ±í²»»á±»¸´ÖÆ
list6 = copy.deepcopy(list) #ʹÓÃcopyÄ£¿é»á½«È«²¿µÄÊý¾Ý¸´ÖÆÒ»·Ý³öÀ´

list.clear() #½«Õû¸öÁбíÇå¿Õ

print(len(list)) #²é¿´ÁбíµÄ³¤¶ÈÒ²¿ÉÒÔ¿´ÆäËûÊý¾ÝµÄ³¤¶È

list.reverse() #·­×ªÕû¸ölistÁбí
print(list[::3]) # ¸ô3¸öÈ¡Ò»¸öÖµ
print(list)

if 3 in list:
    num_of_ele = list.count(3)
    posistion_of_ele = list.index(3)
    list[posistion_of_ele] = 3333
    print("[%s] 3 is/are in name,posistion:[%s]" % (num_of_ele, posistion_of_ele))
print(list)

for i in range(list.count(3)):
    ele_index = list.index(3)
    list[ele_index] = 3333
print(list)

r = (1,2,3,4,5,5) #ʹÓøñʽ
print(r.count(5)) ##ͳ¼Æ²ÎÊý
print(r.index(1)) ##²é¿´Ë÷Òý
print(type(r)) #²é¿´ÀàÐÍ

my_db = {
    32131118540123950:{
        'name' : 'Tom',
        'age' : 21,
        'addr' : 'shanxi'
    },
    14240218540123950: {
        'name': 'Ada',
        'age': 22,
        'addr': 'BeiJing'
    },
    21122218540123950: {
        'name': 'Jack',
        'age': 23,
        'addr': 'shandong'
    }
}
my_db2 = {
    'name' : 'yangsheng',
    21122218540123950: {
        'name': '123',
        'age': 23,
        'addr': 'shandong'
    }

}
my_db[32131118540123950]['name'] = 'Mr.Liang' #ÐÞ¸Ä×ÖµäÔªËØ
my_db[32131118540123950]['wechat'] = 'Lin1729562020' #ÐÂÔö»ò¸üÐÂ×ÖµäÔªËØ
del my_db[32131118540123950]['addr'] #ɾ³ýÔªËØ
my_db[32131118540123950].pop('name') #ɾ³ýÔªËØ
v = my_db.get(32131118540123950) #»ñÈ¡Ò»¸öÖµ£¬Ã»ÓÐʱ·µ»ØNone
my_db.update(my_db2) #my_db2»á½«my_dbÖµ¸²¸Ç£¬Èç¹ûûÓоÍÐÂÔö
print(my_db.items()) #½«×Öµäת»»³ÉÁбí
print(my_db.values()) #´òÓ¡×ÖµäµÄËùÓÐvalues
print(my_db.keys()) #´òÓ¡×ÖµäËùÓеÄkey
print(32131118540123950 in my_db) #ÅжÏkeyÊÇ·ñÔÚ×ÖµäÖУ¬·µ»Ø²¼¶ûÖµ
print(my_db.setdefault(32131118540124950,'xiaowang')) #È¡³ö¶ÔÓ¦µÄkeyÖµ£¬Èç¹û²»´æÔÚн¨key£¬·µ»ØNone£¨value¿ÉÒÔÖ¸¶¨£©
print(my_db.fromkeys([1,2,3,4,5,],'A')) #½«ÁбíÀïµÄֵѭ»·µ½×ÖµäÖÐvalueΪA
print(my_db.popitem()) #Ëæ»úɾ³ýÈÎÒâÒ»¸ökey
print(my_db[32131118540123950])
print(my_db)