what is difference between list and tuple?
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Conclusion. We can conclude that although both lists and tuples are data structures in Python, there are remarkable differences between the two, with the main difference being that lists are mutable while tuples are immutable. A list has a variable size while a tuple has a fixed size.
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The major difference between tuples and lists is that a list is mutable, whereas a tuple is immutable. This means that a list can be changed, but a tuple cannot.
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A single entry in a table is called a Tuple or Record or Row. A tuple in a table represents a set of related data. For example, the above Employee table has 4 tuples/records/rows. Following is an example of single record or tuple.
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In Perl, people use term list and array interchangeably, however there is a difference. The list is the data (ordered collection of scalar values) and the array is a variable that holds the list.
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Why? Because you can still pass the list to the function if you want — A list is an IEnumerable. For that matter, so is an array and many other collection types are well. So by using an IEnumerable here, you take the exact same function and make it more powerful, because it can act on more different kinds of data.
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A list is an ordered collection of values. The values that make up a list are called its elements, or its items. We will use the term element or item to mean the same thing. Lists are similar to strings, which are ordered collections of characters, except that the elements of a list can be of any type.
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A tuple can have any number of items and they may be of different types (integer, float, list, string, etc.). ... Creating a tuple with one element is a bit tricky. Having one element within parentheses is not enough. We will need a trailing comma to indicate that it is, in fact, a tuple.
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A list (also called an array in other programming languages) is a tool that can be used to store multiple pieces of information at once. It can also be defined as a variable containing multiple other variables. A list consists of a numbers paired with items. Each item can be retrieved by its paired number.
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A list holds different data such as Numeric, Character, logical, etc. Vector stores elements of the same type or converts implicitly. Lists are recursive, whereas vector is not. The vector is one-dimensional, whereas the list is a multidimensional object.
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Strings and lists are similar, but they are not same and many people don't know the main difference between a string and a list in python. One simple difference between strings and lists is that lists can any type of data i.e. integers, characters, strings etc, while strings can only hold a set of characters.
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A tuple is a data structure that is an immutable, or unchangeable, ordered sequence of elements. Because tuples are immutable, their values cannot be modified.
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Lets dive deeper into the details of it… Since everything in Python is an Object, every variable holds an object instance. ... Objects of built-in types like (int, float, bool, str, tuple, unicode) are immutable. Objects of built-in types like (list, set, dict) are mutable. Custom classes are generally mutable.
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List and Tuple in Python are the class of data structure. The list is dynamic, whereas tuple has static characteristics. ... Tuple is also a sequence data type that can contain elements of different data types, but these are immutable in nature. In other words, a tuple is a collection of Python objects separated by commas.
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List and tuple is an ordered collection of items. Dictionary is unordered collection. List and dictionary objects are mutable i.e. it is possible to add new item or delete and item from it. Tuple is an immutable object.
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Actually, list comprehension is much clearer and faster than filter+lambda, but you can use whichever you find easier. ... x then the list comprehension runs in a separate function so it will also be accessing the value through the closure and this difference won't apply.
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A set is a collection which is unordered and unindexed, and doesnt allow duplicates. In Python, sets are written with curly brackets. A list is a collection which is ordered and changeable. In Python lists are written with square brackets.
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Python tuples have a surprising trait: they are immutable, but their values may change. This may happen when a tuple holds a reference to any mutable object, such as a list. ... It's clear that dum and dee refer to objects that are equal, but not to the same object. They have distinct identities.