how to duplicate a list in python code example
Example 1: copy a list python
new_list = old_list.copy()
new_list = old_list[:]
Example 2: duplicate in list python
a = [1,2,3,2,1,5,6,5,5,5]
import collections
print([item for item, count in collections.Counter(a).items() if count > 1])
Example 3: python copy list
METHOD TIME TAKEN
b = [*a] 2.75180600000021
b = a * 1 3.50215399999990
b = a[:] 3.78278899999986
b = a.copy() 4.20556500000020
b = []; b.extend(a) 4.68069800000012
b = a[0:len(a)] 6.84498999999959
*b, = a 7.54031799999984
b = list(a) 7.75815899999997
b = [i for i in a] 18.4886440000000
b = copy.copy(a) 18.8254879999999
b = []
for item in a:
b.append(item) 35.4729199999997
Example 4: create copy of an array python
new_list = list.copy()
Example 5: copy one list to another python
thislist = ["apple", "banana", "cherry"]
mylist = thislist.copy()
print(mylist)
Example 6: python duplicate list elements
def duplicate_list_elements(_list : list):
duplicated_list = []
for element in _list:
duplicated_list.append(element)
duplicated_list.append(element)
return duplicated_list