Can someone please help me understand using outside variables in for loops

Question

fruits = ["apples","cherries"]

for fruits[-1] in fruits:
print(fruits[-1], end ="|")

Why is the output apples | apples |?

Doesn’t fruits[-1] mean it will give an output of cherries | cherries |

Answer 1

on first iteration, apples is assigned to fruits[-1] .

List looks like this now : ["apples", "apples"]

that is why fruits[-1] prints apples.

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on second iteration , apples is assigned to fruits[-1], and again fruits[-1] prints apples .