comment inverser le tableau en python
a = [1,2,3,4]
a = a[::-1]
print(a)
>>> [4,3,2,1]
Helpless Hyena
a = [1,2,3,4]
a = a[::-1]
print(a)
>>> [4,3,2,1]>>> the_list = [1,2,3]
>>> reversed_list = the_list.reverse()
>>> list(reversed_list)
[3,2,1]
OR
>>> the_list = [1,2,3]
>>> the_list[::-1]
[3,2,1]# method 1
arr = [11, 22, 33, 44, 55]
res = arr[::-1]
print("Reversed array:",res) #Reversed array: [5, 4, 3, 2, 1]
#method 2
arr = [11, 22, 33, 44, 55]
arr.reverse()
print("After reversing Array:",arr) #After reversing Array: [55, 44, 33, 22, 11]
#method 3
arr = [12, 34, 56, 78]
result=list(reversed(arr))
print("Resultant new reversed Array:",result) #Resultant new reversed Array: [78, 56, 34, 12]>>> L = [0,10,20,40]
>>> L[::-1]
[40, 20, 10, 0]array=[0,10,20,40]
reversed_array=array[::-1]# Reversing a list using reversed()
def Reverse(lst):
return [ele for ele in reversed(lst)]
# Driver Code
lst = [10, 11, 12, 13, 14, 15]
print(Reverse(lst))