class student(object)def __init__(self, name, gender, score)self.name = nameself.gender = genderself.score = scoredef __str__(self):return 'name: {}, gender: {}, score: {}'.format(self.name, self.gender, self.score def __repr__(self): return 'name: {}, gender: {}'.format(s太多了打不上去
2024-05-03
class pen(object):
def __init__(self, len):
self.len = len
def get_infro(self):
return 'len: {}'.format(self.len)
blackpen = pen(19)
a = blackpen.get_infro
print(a)
def __init__(self, len):
self.len = len
def get_infro(self):
return 'len: {}'.format(self.len)
blackpen = pen(19)
a = blackpen.get_infro
print(a)
2024-05-01
class Pen(object):
count = 0
def __init__(self, name, len):
self.name = name
self.len = len
Pen.count += 1
red_pen = Pen('紅筆', 5)
black_pen = Pen('黑筆', 6)
print(Pen.count)
count = 0
def __init__(self, name, len):
self.name = name
self.len = len
Pen.count += 1
red_pen = Pen('紅筆', 5)
black_pen = Pen('黑筆', 6)
print(Pen.count)
2024-04-29
class animal(object):
def __init__(self, name, color):
self.name = name
self.color = color
dog = animal('阿黃', '金色')
cat = animal('阿歡', '灰色')
print(dog.name)
def __init__(self, name, color):
self.name = name
self.color = color
dog = animal('阿黃', '金色')
cat = animal('阿歡', '灰色')
print(dog.name)
2024-04-28
def f(x):
return pow(x, 0.5)
for item in map(f, range(1, 101)):
if item == int(item):
print(int(item))
def z(item):
if item == int(item):
return print(int(item))
for item in filter(z, [item]):
print(item)
return pow(x, 0.5)
for item in map(f, range(1, 101)):
if item == int(item):
print(int(item))
def z(item):
if item == int(item):
return print(int(item))
for item in filter(z, [item]):
print(item)
2024-04-23
from functools import reduce
def f(x, y):
return x * y
print(int(reduce(f, [1.0, 3.0, 5.0, 7.0, 9.0])))
def f(x, y):
return x * y
print(int(reduce(f, [1.0, 3.0, 5.0, 7.0, 9.0])))
2024-04-22
import math
def add(a, b, f):
return f(a) + f(b)
print(int(add(1, 4, math.sqrt)))
def add(a, b, f):
return f(a) + f(b)
print(int(add(1, 4, math.sqrt)))
2024-04-22
def count():
fs = []
for i in range(1, 4):
def f():
return i*i
fs.append(f())
return fs
print(count())
fs = []
for i in range(1, 4):
def f():
return i*i
fs.append(f())
return fs
print(count())
2024-04-03
兩層不就夠了
from functools import reduce
def cale_prod(list1):
def ji(x,y):
return x*y
return reduce(ji,list1)
list1 = list(map(int, input().split(',')))
print(cale_prod(list1))
from functools import reduce
def cale_prod(list1):
def ji(x,y):
return x*y
return reduce(ji,list1)
list1 = list(map(int, input().split(',')))
print(cale_prod(list1))
2024-04-03
f = open('6.txt', 'a+')
f.seek(0)
content = f.readlines()
f.seek(2)
f.writelines('\n')
f.writelines(content)
f.close()
這樣比較合理
f.seek(0)
content = f.readlines()
f.seek(2)
f.writelines('\n')
f.writelines(content)
f.close()
這樣比較合理
2024-03-29
優化一下整數
def __str__(self):
g = gcd(self.zi, self.mu) #進行約分
if self.mu/g != 1:
return '{}/{}'.format(int(self.zi/g), int(self.mu/g))
else:
return '{}'.format(int(self.zi/g))
def __str__(self):
g = gcd(self.zi, self.mu) #進行約分
if self.mu/g != 1:
return '{}/{}'.format(int(self.zi/g), int(self.mu/g))
else:
return '{}'.format(int(self.zi/g))
2024-03-27
最新回答 / weibo_丿褪色的回憶_0
當Python子類繼承父類時,通常不需要重新列出所有的參數,只需要在子類的初始化方法中調用父類的初始化方法即可。這樣可以確保子類繼承了父類的屬性和方法。對于多重繼承和祖先類的情況,子類需要在初始化方法中分別調用每個父類的初始化方法,以確保所有祖先類的屬性和方法都被正確繼承。在Python中,可以使用super()函數來實現這一點,它可以幫助子類調用父類的方法。以下是一個示例代碼,展示了Python中子類繼承父類以及多重繼承時如何處理參數的情況:<...code...>
2024-03-15