map()
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# def multiply_by2(item):
# return item*2
# # new_list=[]
# # for item in li:
# # new_list.append(item*2)
# # return new_list
# print(list(map(multiply_by2,[1,2,3])))
my_list=[1,2,3]
def multiply_by2(item):
return item*2
print(list(map(multiply_by2,my_list)))
print(my_list) #it doesn't change the list
Python
INFO