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Python – How to Multiply all items in Tuple
• Last Updated : 27 Feb, 2020

Sometimes, while programming, we have a problem in which we might need to perform product among tuple elements. This is an essential utility as we come across product operation many times and tuples are immutable and hence required to be dealt with. Let’s discuss certain ways in which this task can be performed.

Method #1 : Using `list()` + loop
The above functions can be combined to perform this task. We can employ loop to accumulate the result of product logic. The list() function is used to perform interconversions.

 `# Python3 code to demonstrate working of ``# Tuple Elements Multiplication``# Using list() + loop`` ` `# getting Product ``def` `prod(val) : ``    ``res ``=` `1` `    ``for` `ele ``in` `val: ``        ``res ``*``=` `ele ``    ``return` `res  `` ` `# initializing tup ``test_tup ``=` `(``7``, ``8``, ``9``, ``1``, ``10``, ``7``) `` ` `# printing original tuple ``print``(``"The original tuple is : "` `+` `str``(test_tup)) `` ` `# Tuple Elements Multiplication ``# Using list() + loop``res ``=` `prod(``list``(test_tup)) `` ` `# printing result ``print``(``"The product of tuple elements are : "` `+` `str``(res)) `
Output :
```The original tuple is : (7, 8, 9, 1, 10, 7)
The product of tuple elements are : 35280
```

Method #2 : Using `map() + loop + list()`
The combination of above functions can be used to perform this task. In this, we first convert the tuple to list, flatten it’s each list element using map(), perform product of each using loop and again employ loop for overall product of resultant list.

 `# Python 3 code to demonstrate working of ``# Tuple Elements Multiplication``# Using map() + list() + loop`` ` `# getting Product ``def` `prod(val) : ``    ``res ``=` `1` `    ``for` `ele ``in` `val: ``        ``res ``*``=` `ele ``    ``return` `res  `` ` `# initializing tup ``test_tup ``=` `([``7``, ``8``], [``9``, ``1``], [``10``, ``7``]) `` ` `# printing original tuple ``print``(``"The original tuple is : "` `+` `str``(test_tup)) `` ` `# Tuple Elements Multiplication``# Using map() + list() + loop ``res ``=` `prod(``list``(``map``(prod, ``list``(test_tup)))) `` ` `# printing result ``print``(``"The product of tuple elements are : "` `+` `str``(res)) `
Output :
```The original tuple is : (7, 8, 9, 1, 10, 7)
The product of tuple elements are : 35280
```

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