lambda

my_list = [1,2,3]

# def multiply_by2(item):
#     return item*2
    
def check_odd(item):
    return item % 2 != 0
    
def accumulator(acc,item):
    print(acc,item)
    return acc+item
    
print(list(map(lambda item:item*2,my_list)))
print(my_list)