During the The Hunger Games (2012), We see Katniss Everdeen in a tree tied up by a rope because she was sleeping.
She woke up to a bush fire raging towards her, so as a result, she went and untied her rope, dropped to the ground and ran off without the rope.
Later, the very next night, she had yet another rope of exactly the same colour. Each backpack includes only one rope to add to the challenge of survival. There was no evidence she went a robbed another tribute, I may have missed something, if I have, I want to know.
Here is some of the source: The group received a spile as their first gift, and the awl was used to puncture a .... In The Hunger Games film, Katniss finds a coil of rope in the backpack
I wasn't able to access the source itself due to filters installed in the computer, but the source is located in this link.
As we read here, Katniss found a coil of rope, nothing suggests there she had more than one rope.
So where did she get the second rope from?