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In Python, we use a for loop to iterate over various sequences, such as lists, tuples, sets, strings, or dictionaries. The for loop allows you to iterate through each element of a sequence and perform certain operations on it.
Loops are constructs that repeatedly execute a piece of code based on the conditions. See various types of loops in Python with examples.
In this tutorial, we are going to learn about for loop in Python. We will see how to use it in different ways, iteration over numbers, list, dictionary, tuple, string, range, set, file, etc with multiple examples. We will also see the nesting of loops and how to use a break and continue keywords in for loop.
Jun 20, 2024 · Let us learn how to use for loops in Python for sequential traversals with examples. For Loop Syntax: for iterator_var in sequence: statements(s) It can be used to iterate over a range and iterators. Example: The code uses a Python for loop that iterates over the values from 0 to 3 (not including 4), as specified by the range(0, n) construct.
Python For Loops. A for loop is used for iterating over a sequence (that is either a list, a tuple, a dictionary, a set, or a string). This is less like the for keyword in other programming languages, and works more like an iterator method as found in other object-orientated programming languages.
Jun 19, 2024 · Here are some examples of for loops in Python: # Example 1: Iterating over a list fruits = ['apple', 'banana', 'cherry'] for fruit in fruits: print(fruit) # Example 2: Iterating over a string for char in 'Python': print(char) # Example 3: Using enumerate to get index and value for index, num in enumerate([10, 20, 30]): print(f'Index {index ...
In this introductory tutorial, you'll learn all about how to perform definite iteration with Python for loops. You’ll see how other programming languages implement definite iteration, learn about iterables and iterators, and tie it all together to learn about Python’s for loop.
