for loop in Python

for loop in Python

In Python, you can use a for loop to iterate over a collection of items such as a list or a dictionary. To query a collection in Python, you can use a variety of data structures, such as lists, tuples, sets, or dictionaries.

Here is an example of how to use a for loop to iterate over a list of items:

fruits = ["apple", "banana", "cherry"] for fruit in fruits: print(fruit)

This code will output:

apple banana cherry

Similarly, you can use a for loop to iterate over a dictionary:

person = {"name": "John", "age": 30, "gender": "male"} for key, value in person.items(): print(key, value)

name John age 30 gender male

In this example, we are using the .items() method to iterate over the keys and values of the dictionary.

You can also use a for loop to iterate over a range of numbers:

for i in range(10): print(i)

This code will output:

0 1 2 3 4 5 6 7 8 9

In this example, we are using the range() function to generate a sequence of numbers from 0 to 9 (inclusive), and then using a for loop to iterate over that sequence and print each number.

Happy Learning!! Happy Coding!!