Tuple Methods
Tuple Methods
While tuples do not support methods that alter their content, they still provide a few built-in methods to help manage and utilize them effectively. Here are the two built-in methods you can use with tuples:
count(): returns the number of times a specified value appears in the tuple;index(): searches the tuple for a specified value and returns the index position of where it was first found.
The same methods can also be used with lists.
12345678910# Example tuple containing a mix of integers and strings fruits = ("apple", "banana", "cherry", "apple", "banana", "cherry", "apple") # Use the `count()` method to determine how many times "apple" appears in the tuple apple_count = fruits.count("apple") print("Number of times 'apple' appears:", apple_count) # Use the `index()` method to find the first occurrence of "cherry" in the tuple cherry_index = fruits.index("cherry") print("The first occurrence of 'cherry' is at index:", cherry_index)
Let's look on another example, that demonstrates how to use tuple methods on the hands on tasks.
12345678910# Tuple containing store departments store_departments = ("Produce", "Deli", "Bakery", "Produce", "Seafood", "Deli", "Produce") # Use count() to find how many times "Produce" appears produce_count = store_departments.count("Produce") print("'Produce' appears:", produce_count) # Use index() to find the first index of "Seafood" seafood_index = store_departments.index("Seafood") print("The first occurrence of 'Seafood' is at index:", seafood_index)
Swipe to start coding
You are helping to analyze a grocery store's department organization!
- Use the provided
grocery_departmentstuple, which lists the departments in the order they appear in the store. - Assign to
produce_countthe number of times the 'Produce' department appears in the tuple using a tuple method. - Assign to
first_bakery_indexthe index of the first occurrence of the 'Bakery' department using a tuple method. - Do not change the
grocery_departmentstuple.
Complete the code by filling in the two variables using the appropriate tuple methods.
Solution
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Tuple Methods
While tuples do not support methods that alter their content, they still provide a few built-in methods to help manage and utilize them effectively. Here are the two built-in methods you can use with tuples:
count(): returns the number of times a specified value appears in the tuple;index(): searches the tuple for a specified value and returns the index position of where it was first found.
The same methods can also be used with lists.
12345678910# Example tuple containing a mix of integers and strings fruits = ("apple", "banana", "cherry", "apple", "banana", "cherry", "apple") # Use the `count()` method to determine how many times "apple" appears in the tuple apple_count = fruits.count("apple") print("Number of times 'apple' appears:", apple_count) # Use the `index()` method to find the first occurrence of "cherry" in the tuple cherry_index = fruits.index("cherry") print("The first occurrence of 'cherry' is at index:", cherry_index)
Let's look on another example, that demonstrates how to use tuple methods on the hands on tasks.
12345678910# Tuple containing store departments store_departments = ("Produce", "Deli", "Bakery", "Produce", "Seafood", "Deli", "Produce") # Use count() to find how many times "Produce" appears produce_count = store_departments.count("Produce") print("'Produce' appears:", produce_count) # Use index() to find the first index of "Seafood" seafood_index = store_departments.index("Seafood") print("The first occurrence of 'Seafood' is at index:", seafood_index)
Swipe to start coding
You are helping to analyze a grocery store's department organization!
- Use the provided
grocery_departmentstuple, which lists the departments in the order they appear in the store. - Assign to
produce_countthe number of times the 'Produce' department appears in the tuple using a tuple method. - Assign to
first_bakery_indexthe index of the first occurrence of the 'Bakery' department using a tuple method. - Do not change the
grocery_departmentstuple.
Complete the code by filling in the two variables using the appropriate tuple methods.
Solution
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