num_1=[1,2,10,5,3,7]# num_2=[]# for i in num_1:#     num_2.append(i**2)# print(num_2)# def map_test(array):#     num_2=[]#     for i in num_1:#         num_2.append(i**2)#     return num_2## ret=map_test(num_1)# print(ret)num_1=[1,2,10,5,3,7]#lambda x:x+1#def add_one(x):    #return x+1#lambda x:x-1def reduce_one(x):    return x-1#lambda x:x**2def pf(x):    return x**2#最终结果def map_test(func,array):#num_1=[1,2,10,5,3,7]    num_2=[]    for i in array:        res=func(i)#lambda匿名函数        num_2.append(res)    return num_2#print(map_test(add_one,num_1))print(map_test(lambda x:x+1,num_1))# print(map_test(lambda x:x-1,num_1))# print(map_test(lambda x:x**2,num_1))# print(map_test(reduce_one,num_1))# print(map_test(pf,num_1))#map内置函数num=map(lambda x:x+1,num_1)#传的是匿名函数,map函数会默认将可迭代参数进行迭代操作,然后对每个参数使用前面的函数进行操作,最后返回一个map可迭代对象print(type(num))# for i in num:#     print(i)print(list(num))#传的是自定义函数print(list(map(reduce_one,num_1)))#参数一是函数表达式  参数2是可迭代对象msg="linhaifeng"mea=list(map(lambda x:x.upper(),msg))print(mea)