标签：模块 inf from imp err dep pos __init__ sel
复制代码
class Account:
def __init__(self,name,account_number,initial_amount):
self._name = name
self._card_no = account_number
self._balance = initial_amount
def deposit(self,amount):
self._balance += amount
def withdraw(self,amount):
self._balance -= amount
def info(self):
print(f‘{self._name},{self._card_no},{self._balance}‘)
def get_balance(self):
return self._balance
a1 = Account(‘Bob‘,‘5002311‘,20000)
a2 = Account(‘Joe‘,‘5006692‘,20000)
a1.deposit(5000)
a1.withdraw(4000)
a2.withdraw(10000)
a2.withdraw(5000)
a1.info()
a2.info()
复制代码
复制代码
class Account:
def __init__(self,name,account_number,initial_amount):
self._name = name
self._card_no = account_number
self._balance = initial_amount
def deposit(self,amount):
self._balance += amount
def withdraw(self,amount):
self._balance -= amount
def info(self):
print(f‘{self._name},{self._card_no},{self._balance}‘)
def get_balance(self):
return self._balance
def main():
a1 = Account(‘Bob‘,‘5002311‘,20000)
a2 = Account(‘Joe‘,‘5006692‘,20000)
a1.deposit(5000)
a1.withdraw(4000)
a2.withdraw(10000)
a2.withdraw(5000)
a1.info()
a2.info()
if __name__ == ‘__main__‘:
print(‘模块信息:‘,__doc__)
print(‘Account类信息:‘,Account.__doc__)
main()
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import account
u1 = account.Account(‘Tom‘,‘5004516‘,10000)
u2 = account.Account(‘Jerry‘,‘5003217‘,10000)
u1.deposit(5000)
u1.info()
u2.withdraw(5000)
u2.info()
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复制代码
from account import Account
u1 = Account(‘Tom‘,‘5004516‘,10000)
u2 = Account(‘Jerry‘,‘5003217‘,10000)
u1.deposit(5000)
u1.info()
u2.withdraw(5000)
u2.info()
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复制代码
class Shape:
def info(self):
print(‘形状基类‘)
class Rect(Shape):
def __init__(self,x,y,width,length):
self._x = x
self._y = y
self._width = width
self._length = length
def info(self):
print(f‘矩形左上角顶点坐标:({self._x},{self._y})‘)
print(f‘矩形宽:{self._width}‘)
print(f‘矩形长:{self._length}‘)
def area(self):
return self._width*self._length
def perimeter(self):
return (self._width + self._length)*2
class Circle(Shape):
def __init__(self,x,y,radius):
self._x = x
self._y = y
self._r = radius
def info(self):
print(f‘圆心:({self._x},{self._y})‘)
print(f‘半径:{self._r}‘)
def area(self):
return 3.14*self._r*self._r
def perimeter(self):
return 2*3.14*self._r
def main():
r1 = Rect(1,1,5,9)
r1.info()
print(f‘矩形面积:‘,r1.area())
print(f‘矩形周长:‘,r1.perimeter())
c1 = Circle(2,3,10)
c1.info()
print(f‘圆面积:{c1.area():.2f}‘)
print(f‘圆周长:{c1.perimeter():.2f}‘)
if __name__ == ‘__main__‘:
main()
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from shape import Rect as rect,Circle as circle
r1 = rect(3,3,5,2)
r1.info()
print(f‘矩形面积:‘,r1.area())
print(f‘矩形周长:‘,r1.perimeter())
c1 = circle(5,5,1)
c1.info()
print(f‘圆面积:{c1.area():.2f}‘)
print(f‘圆周长:{c1.perimeter():.2f}‘)
class StudentDoc:
‘‘‘一个管理学生档案的简单类‘‘‘
def __init__(self,number,name,major,point):
self._number=number
self._name=name
self._major=major
self._point=point
def info(self):
print(f‘{self._number},{self._name},{self._major},{self._point}‘)
def get_balance(self):
print(f‘{self._name}:{self._point}‘)
def modify(self,point):
self._point=point
def main():
a1=StudentDoc(‘2020‘,‘LB‘,‘生态‘,‘97‘)
a2=StudentDoc(‘2019‘,‘AH‘,‘数学‘,‘95‘)
a1.get_balance()
a2.get_balance()
a1.modify(99)
a2.modify(100)
a1.info()
a2.info()
if __name__ == ‘__main__‘:
print(‘模块信息: ‘, __doc__)
print(‘类信息: ‘, StudentDoc.__doc__)
main()
标签：模块 inf from imp err dep pos __init__ sel
原文地址：https://www.cnblogs.com/hcy15904645511/p/14833499.html
