What effect do u think ryhme and repetition have in this poem (caged bird poem ) class 7 ​

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Caged Bird" is written in 6 stanzas of varying lengths. There's no definite rhyme scheme in the poem. However, some rhymes are noticed in stanzas 2, 3, 4 and 5. The 6th stanza is simply a repetition of the 3rd stanza.