Python Tuple Methods Flashcards
Returns the number of times a specified value occurs in a tuple
count()
.
Syntax
tuple.count(value)
Parameter Values
Parameter Description
value Required. The item to search for
Definition and Usage
The count() method returns the number of times a specified value appears in the tuple.
Example
* Return the number of times the value 5 appears in the tuple:
thistuple = (1, 3, 7, 8, 7, 5, 4, 6, 8, 5)
x = thistuple.count(5)
print(x)
Searches the tuple for a specified value and returns the position of where it was found
index()
.
Syntax
tuple.index(value)
Parameter Values
Parameter Description
value Required. The item to search for
Definition and Usage
* The index() method finds the first occurrence of the specified value.
- The index() method raises an exception if the value is not found.
Example
Search for the first occurrence of the value 8, and return its position:
thistuple = (1, 3, 7, 8, 7, 5, 4, 6, 8, 5)
x = thistuple.index(8)
print(x)
How to create a tuple?
thistuple = (“apple”, “banana”, “cherry”, “apple”, “cherry”)
- Tuples are written with round brackets.
What is a Tuple?
- Tuples are used to store multiple items in a single variable.
- Tuple is one of 4 built-in data types in Python used to store collections of data, the other 3 are List, Set, and Dictionary, all with different qualities and usage.
- A tuple is a collection which is ordered and unchangeable.
- Tuples are written with round brackets.
- Allows Duplicates. Since tuples are indexed, they can have items with the same value.