5️⃣

17.5 Count and Index

Count and Index

Count tells you how many of a given element is in the tuple.

tup = tuple('mississippi')  # each element of this tuple is a letter
print(tup.count('i'))  # prints 4

Index returns the index of the first occurrence of a given element in the tuple.

tup = tuple('mississippi')  # each element of this tuple is a letter
print(tup.index('s'))  # prints 2

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Practice

Magic Tuple Number

A magic tuple number for a given element is the index of the given element’s first occurrence in the tuple TIMES the number of occurrences of the given element in the tuple. Given an element and a tuple, return the magic tuple number. If the element does not exist in the tuple, return -1.

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