Difference between for loop and while loop in Python
Now, we will compare both loops in Python to understand where to use ‘for loop’ and where to use ‘while loop’.
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For loop |
While loop |
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For loop is used to iterate over a sequence of items. |
While loop is used to repeatedly execute a block of statements while a condition is true. |
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For loops are designed for iterating over a sequence of items. Eg. list, tuple, etc. |
While loop is used when the number of iterations is not known in advance or when we want to repeat a block of code until a certain condition is met. |
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For loop require a sequence to iterate over. |
While the loop requires an initial condition that is tested at the beginning of the loop. |
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For loop is typically used for iterating over a fixed sequence of items |
While loop is used for more complex control flow situations. |
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For loop is more efficient than a while loop when iterating over sequences, since the number of iterations is predetermined and the loop can be optimized accordingly. |
While a loop may be more efficient in certain situations where the condition being tested can be evaluated quickly. |
Difference between for loop and while loop in Python
In this article, we will learn about the difference between for loop and a while loop in Python. In Python, there are two types of loops available which are ‘for loop‘ and ‘while loop‘. The loop is a set of statements that are used to execute a set of statements more than one time. For example, if we want to print “Hello world” 100 times then we have to write a print statement 100 times which is a tedious task but with the help of loops we can do it in just a few lines of code. In this article, we will learn both types of loops separately and then their differences.
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