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- # from functools import reduce
- # def multiply(x):
- # return x*x
- # def add(x):
- # return x+x
- # funcs = [multiply, add]
- # for i in range(5):
- # values = map(lambda x: x(i),funcs)
- # print(values)
- # product = reduce((lambda x,y:x+y),[1,2,3,4])
- # print(product)
- # number_list=range(-1,30)
- # oushu = filter(lambda x: x>20 , number_list)
- # print(oushu)
- class Rectangle():
- def __init__(self,a,b):
- self.a = a
- self.b = b
- def __str__(self):
- return str((self.a) * (self.b))
- rect = Rectangle(3,4)
- print(rect)
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