L = ['bob', 'about', 'Zoo', 'Credit']
sorted(L, key = lambda i:i[0].upper())
sorted(L, key = lambda i:i[0].upper())
2023-02-03
# Enter a code
class animals:
def Setname(self,name):
self.name = name
print('{}'.format(self.name))
dog = animals()
dog.Setname('dog')
cat = animals()
cat.Setname('cat')
class animals:
def Setname(self,name):
self.name = name
print('{}'.format(self.name))
dog = animals()
dog.Setname('dog')
cat = animals()
cat.Setname('cat')
2023-01-11
class Animal(object):
def __init__(self, name, age, localtion):
self.__name = name
self.__age = age
self.__localtion = localtion
def a(self):
return self.__name,self.__age ,self.__localtion
dog = Animal('wangwang', 1, 'GuangDong')
print(dog.a())
def __init__(self, name, age, localtion):
self.__name = name
self.__age = age
self.__localtion = localtion
def a(self):
return self.__name,self.__age ,self.__localtion
dog = Animal('wangwang', 1, 'GuangDong')
print(dog.a())
2022-12-17
def calc_prod(list_):
def num_prod():
def product(x, y):
return x * y
return str(reduce(product, list_))
return num_prod
L = calc_prod([1,2,3,4,5])
print(L)
print(L())
def num_prod():
def product(x, y):
return x * y
return str(reduce(product, list_))
return num_prod
L = calc_prod([1,2,3,4,5])
print(L)
print(L())
2022-10-26
1、子類定義的時(shí)候,需要在括號(hào)內(nèi)寫(xiě)明繼承的類;
2、在__init__()方法,需要調(diào)用super(Student, self).__init__(name, gender),來(lái)初始化從父類繼承過(guò)來(lái)的屬性;
2、在__init__()方法,需要調(diào)用super(Student, self).__init__(name, gender),來(lái)初始化從父類繼承過(guò)來(lái)的屬性;
2022-09-24
# Enter a code
class Animal(object):
count = 0
def __init__(self,name,age):
self.name = name
self.age = age
Animal.count += 1
dog = Animal('wangwang',1)
print(Animal.count)
cat = Animal('mimi',3)
print(Animal.count)
class Animal(object):
count = 0
def __init__(self,name,age):
self.name = name
self.age = age
Animal.count += 1
dog = Animal('wangwang',1)
print(Animal.count)
cat = Animal('mimi',3)
print(Animal.count)
2022-09-03
# Enter a code
class Animal(object):
count = 0
def __init__(self,name,age):
self.name = name
self.age = age
Animal.count += 1
dog = Animal('wangwang',1)
cat = Animal('mimi',3)
print(dog.count)
print(cat.count)
class Animal(object):
count = 0
def __init__(self,name,age):
self.name = name
self.age = age
Animal.count += 1
dog = Animal('wangwang',1)
cat = Animal('mimi',3)
print(dog.count)
print(cat.count)
2022-09-03
# Enter a code
class Animal(object):
def __init__(self,name,age):
self.name = name
self.age = age
dog = Animal('dog',1)
cat = Animal('cat',2)
print(dog.name,dog.age)
print(cat.name,cat.age)
class Animal(object):
def __init__(self,name,age):
self.name = name
self.age = age
dog = Animal('dog',1)
cat = Animal('cat',2)
print(dog.name,dog.age)
print(cat.name,cat.age)
2022-08-31
# Enter a code
class Animal():
pass
dog = Animal()
cat = Animal()
print(dog)
print(cat)
print(dog == cat)
class Animal():
pass
dog = Animal()
cat = Animal()
print(dog)
print(cat)
print(dog == cat)
2022-08-30
.append(f)——向list中追加的是函數(shù)f的對(duì)象引用
.append(f())——追加的是函數(shù)f的返回結(jié)果
.append(f())——追加的是函數(shù)f的返回結(jié)果
2022-08-23
class Animal(object):
__age = 2
def __init__(self, name, age):
self.name = name
cat = Animal('Kitty', '3')
print(cat.name)
print(cat._Animal__age)
__age = 2
def __init__(self, name, age):
self.name = name
cat = Animal('Kitty', '3')
print(cat.name)
print(cat._Animal__age)
2022-08-08