Python for Loop

In this article, you will learn to repeat the different sequences of different variations of the loop.

Table of Contents

• What is for loop in Python?
• Syntax of for Loop
• Flowchart of for loop
• Example: Python for Loop
• The range() function
• for loop with else

What is for loop in Python?

Python called 'loop' is used to restore the list (list, tuple, string) or other useful resources. Interacting a series of trips.

Syntax of for Loop:

for Val in sequence:

          Body of for

Here Val is variable which takes the value of the items within the sequence of each stage.

Loop continues until you reach the last item list. Complete circuit breakers are separated from the rest of the code by using a circular motion.

Flowchart of for Loop:

                                                   

Example: Python for Loop:

# Program to find the sum of all numbers stored in a list

 # List of numbers

numbers = [6, 5, 3, 8, 4, 2, 5, 4, 11]

 # variable to store the sum

sum = 0

 # iterate over the list

for val in numbers:

          sum = sum+val

 # Output: The sum is 48

print("The sum is", sum)

when you run the program, the output will be:

The sum is 48

The range() function:

We can produce a series of numbers using the margin function. A grade (10) will issue 0 to 9 (10 points).

We can also decide how to start, stop and measure the size (starting, stopping, measuring). Step by step 1 if not paid.

This technique did not save all memory, it would be invalid. Therefore, first, remember, stop, measure the number of steps and air jets.

This has enabled the whole product, we can use the list ().

The following example will prove this.

# Output: range(0, 10)

print(range(10))

# Output: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

print(list(range(10)))

# Output: [2, 3, 4, 5, 6, 7]

print(list(range(2, 8)))

# Output: [2, 5, 8, 11, 14, 17]

print(list(range(2, 20, 3)))        

  

We can do the workflow () function of the rotation to give the number of numbers. This can be added to the Len () process to make it harder even though it is used. Below is an example.

# Program to iterate through a list using indexing

 genre = ['pop', 'rock', 'jazz']

 # iterate over the list using index

for i in range(len(genre)):

          print("I like", genre[i])

When you run the program, the output will be:

I like pop

I like rock

I like jazz

for loop with else:

One circle can be selected in another space. The other is carried out when the product is used in a circular cycle.

Explosion statement can be used to stop the cycle. For example, for example, in the other, was ignored.

Therefore, the movement of the other moves would not break.

Below is a simple example of this.

digits = [0, 1, 5]

 for i in digits:

    print(i)

else:

    print("No items left.")

Once the program is implemented, production will be:

0

1

5

No items left.

In this case, the circuit publishes a list of escalators. If the exile nozzle pumps, which perform the code and the other.

No items left.

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