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list1=["Hi how are you"]
list2=["Iam fine"]
list1,list2=list2,list1
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a_list = ["a", "b", "c"]
a_list[0], a_list[2] = a_list[2], a_list[0]
print(a_list) # ["c", "b", "a"]
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in python below is how you swap 2 elements of list
x[i+1],x[i]=x[i],x[i+1]
Don't use function swap(user defined or pre-defined)
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def swapPositions(list, pos1, pos2):
list[pos1], list[pos2]=list[pos2], list[1]
return list
List=[1,3,5,7,9,11]
pos1, pos2=1,3
print(swapPositions(list, pos1-1, pos2-1))