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Stacks common mistakes
Study Stacks with curriculum-aligned Common Mistakes resources, practice links, and exam-focused support.
At a glance
common mistakes
Resource type
Topic
Stacks
AqaA LevelComputer ScienceFundamentals of data structures
Common mistakes
Confusing peek with pop
Assuming that peek removes the top element.
Fix itRemember that peek, or top, only returns the top value; pop returns the value and removes it.