1. Number of iterations is already known in ‘for loop’ but number of iterations is not known in ‘while loop’.
2. ‘for’ loop is used to iterate over items of any sequence but ‘while’ loop is used to execute a block of statement as long as a
given condition is true.
3. If number of iterations is known, it is suggested to use ‘for’ loop and if not known ‘while’ loop is suggested.

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