from functools import reduce
def f(x,y):
return x*10+y
print(reduce(f,[1,3,5,7,9]))
def f(x,y):
return x*10+y
print(reduce(f,[1,3,5,7,9]))
2021-06-14
def f(x):
return x.capitalize()
item = map(f,['alice', 'BOB', 'CanDY'])
print(item)
return x.capitalize()
item = map(f,['alice', 'BOB', 'CanDY'])
print(item)
2021-06-14
import math
def add(x,y,f):
return f(x) +f(y)
print(add(4, 16, math.sqrt))
def add(x,y,f):
return f(x) +f(y)
print(add(4, 16, math.sqrt))
2021-05-29
最赞回答 / 奶香馒头
我明白了，super(Teacher,self).__init__(name,gender)这是python2.x中的语法，class括号里要带object，python3.x语法里class可以不带
2021-05-28
class Animal():
def __init__(self,name,age):
self.name=name
self.__age=age
dog = Animal('aa',1)
print(dog.name)
print(dog.__age)
def __init__(self,name,age):
self.name=name
self.__age=age
dog = Animal('aa',1)
print(dog.name)
print(dog.__age)
2021-05-28
class Animal():
count=0
def __init__(self,name,age):
self.name = name
self.age = age
Animal.count +=1
dog = Animal('aa',1)
cat = Animal('bb',2)
print(Animal.count)
count=0
def __init__(self,name,age):
self.name = name
self.age = age
Animal.count +=1
dog = Animal('aa',1)
cat = Animal('bb',2)
print(Animal.count)
2021-05-28
class Animal():
def __init__(self,name,age):
self.name=name
self.age=age
dog = Animal('wang',1)
cat = Animal('miao',2)
print(dog.name,dog.age,cat.name,cat.age)
def __init__(self,name,age):
self.name=name
self.age=age
dog = Animal('wang',1)
cat = Animal('miao',2)
print(dog.name,dog.age,cat.name,cat.age)
2021-05-28
# Enter a code
class Animal(object):
def __init__(self, name, age):
self.name = name
self._age = age
print(Animal._age)
class Animal(object):
def __init__(self, name, age):
self.name = name
self._age = age
print(Animal._age)
2021-05-25
