Python基礎学習コード画像集
- 黄舟オリジナル
- 2016-12-29 17:18:311253ブラウズ
def func1():
dict1 = {}
dict2 = {'name':'earth','port':80}
return dict1,dict2
def func2():
return dict((['x',1],['y',2]))
def func3():
adict = {}.fromkeys(['x','y'],23)
return adict
def func4():
alist = {'name':'earth','port':80}
for keys in alist.keys():
print "%s %s" % (keys,alist[keys])
def func5():
alist = {'name':'earth','port':80}
for keys in alist:
print "%s %s" % (keys,alist[keys])
def func6(akey):
alist = {'name':'earth','port':80}
if akey in alist:
return True
else:
return False
def func7(akey):
alist = {'name':'earth','port':80}
if alist.has_key(akey):
return True
else:
return False
def func8():
alist = {'name':'earth','port':80}
print 'host %(name)s is running on %(port)d' % alist
def func9(akey):
alist = {'name':'earth','port':80}
if akey in alist:
del alist[akey]
return True
else:
return False
def func10():
alist = {'name':'earth','port':80}
alist.clear()
return alist
def func11():
alist = {'name':'earth','port':80}
del alist
def func12(akey):
alist = {'name':'earth','port':80}
if akey in alist:
return alist.pop(akey)
def func13():
alist = {'name':'earth','a':80}
blist = {'name':'earth','z':8080}
return cmp(alist,blist)
def func14():
alist = zip(('x','y'),(1,2))
blist = dict([('xy'[i-1],i) for i in range(1,3)])
return dict(alist),blist
def func15():
adict = {'name':'earth','port':80}
bdict = adict.copy()
return bdict,len(bdict)
def func16():
adict = {'name':'earth','port':80}
bdict = {'name':'earth','port':8080}
print adict.keys()
print adict.values()
print adict.items()
adict.update(bdict)
print adict
def func17():
adict = {'name':'earth','port':80}
for keys in sorted(adict):
print 'adict %s has value %s' % (keys,adict[keys])
def func18(akey):
adict = {'name':'earth','port':80}
if adict.get(akey):
return True
else:
return 'no such key!'
def func19():
adict = {'name':'earth','port':80}
bdict = {}.fromkeys('abc')
print bdict
return adict.setdefault('name','wycqhost')
import time
nowtime = time.time()
def gettime(nowtime):
return time.strftime('%Y/%m/%d %H:%M:%S',time.localtime(nowtime))
login = {}
def newuser():
prompt = 'login desired:'
name = ''
while True:
name = raw_input(prompt)
if login.has_key(name):
prompt = 'name taken,try another:'
continue
else:
break
pwd = raw_input('passwd:')
login[name] = [abs(hash(pwd))]
login[name].append(0)
print login
def olduser():
nowtime = time.time()
name = raw_input('login:')
if name not in login:
choose = raw_input('will you create a new user(y/n)')
if choose.lower()[0] == 'y':
newuser()
else:
pass
showmenu()
else:
pwd = raw_input('passwd:')
passwd = login.get(name)[0]
if abs(hash(passwd)) == abs(hash(pwd)):
if login[name][1] == 0:
print login
print 'welcome back',name,'you first time loggin'
else:
print 'welcome back',name
if nowtime - login[name][1] <= 14400:
print 'you are already logged at time',gettime(login[name][1])
login[name][1] = nowtime
else:
print 'login incorrect'
return
def showuser():
print 'show all user:'
for user in login.keys():
print user
def deleteuser():
duser = raw_input('delete user:').lower()
if duser in login.keys():
del login[duser]
else:
print 'user %s is not exists' % duser
showmenu()
def showmenu():
prompt = '''
(n)ew user login
(o)ld user login
(s)how all user
(d)elete user
(q)uit
enter choice:
'''
done = False
while not done:
chosen = False
while not chosen:
try:
choice = raw_input(prompt).strip()[0].lower()
except (EOFError,KeyboardInterrupt):
choice = 'q'
print 'you picked %s' % choice
if choice not in 'noqds':
print 'invalid option,try again'
else:
chosen = True
if choice == 'q':
done = True
if choice == 'n':
newuser()
if choice == 'o':
olduser()
if choice == 'd':
deleteuser()
if choice == 's':
showuser()
#if __name__ == '__main__':
# showmenu()
def func20():
str1 = '093keffeoelgn'
t = set(str1)
s = frozenset(str1)
return t == s
def func21():
aset = set('xiewenbin')
if 'x' in aset:
print "x in aset"
def func22():
aset = set('strings')
aset.add('http')
aset.update('httpx')
aset.remove('http')
aset -= set('x')
for i in aset:
print i
del aset
def func23():
aset = set('abc')
bset = set('abcedf')
return aset <= bset
def func24():
aset = set('markshop')
bset = frozenset('earthshop')
print aset | bset
print bset & aset
print aset ^ bset
print aset - bset
def func25():
s = set('cheeseshop')
u = frozenset(s)
s |= set('xie')
print s
s = set(u)
s &= set('shop')
print s
s = set(u)
s -= set('shop')
print s
s = set(u)
t = frozenset('bookshop')
s ^= t
print s
print len(s)
import os
def func26():
frozenset(['a','b','c'])
f = open('test.txt','w')
for i in range(5):
f.write('%d\n'%i)
f.close()
f = open('test.txt','r')
print set(f)
f.close()
os.remove('test.txt')
def func27():
alist = ['a','b']
blist = [1,2]
print dict(zip(alist,blist))
def func28():
adict = {'a':1,'b':2,'c':3}
bdict = {}
for keys in adict.keys():
bdict[adict[keys]] = keys
return bdict
def func29(sstr,dstr,string,casemap=True):
assert len(sstr) >= len(dstr)
table = dict(zip(sstr,dstr))
print table
if len(sstr) > len(dstr):
temp = {}.fromkeys(sstr[len(dstr)])
table.update(temp)
print table
ls = []
for ch in string:
if not casemap:
if ch.lower() in table:
ls.append(table[ch.lower()])
elif ch.upper() in table:
ls.append(table[ch.upper()])
else:
ls.append(ch)
continue
if ch in table:
ls.append(table[ch])
else:
ls.append(ch)
ls = [ch for ch in ls if ch]
print ls
return " ".join(ls)
def func30(sstr):
alist = [chr((num + 13) % 26 + ord('a')) for num in range(26)]
blist = [chr(num + ord('a')) for num in range(26)]
table = dict(zip(blist,alist))
astr = "".join(alist).upper()
bstr = "".join(blist).upper()
table.update(dict(zip(bstr,astr)))
ls = []
for ch in sstr:
if ch in table:
ls.append(table[ch])
else:
ls.append(ch)
return " ".join(ls)
import random
def func31():
alist = [random.randint(i,10) for i in range(10)]
blist = [random.randint(i,10) for i in range(10)]
aset = set(alist)
bset = set(blist)
print aset | bset
print aset & bset
上記は Python 基礎学習コードの画像集の内容です。その他の関連コンテンツについては、PHP 中国語 Web サイト (www.php.cn) をご覧ください。
声明：
この記事の内容はネチズンが自主的に寄稿したものであり、著作権は原著者に帰属します。このサイトは、それに相当する法的責任を負いません。盗作または侵害の疑いのあるコンテンツを見つけた場合は、admin@php.cn までご連絡ください。
前の記事：Pythonの基本学習コードシーケンス次の記事：Pythonの基本学習コードシーケンス