For loop that adds the numbers from 1 to 10 python

I'm having trouble filling out a question on an online python tutorial. It seems really simple but for the life of me I can't figure it out. This is the problem "write a for loop that adds all the numbers 1 to 10 and returns the sum." And this is the code I have been trying:

def run():
    sum = 0
    for i in range(11):
        sum += i
        return sum

What am I doing wrong? Thanks for any help.

asked Oct 18, 2012 at 22:03

0

You're returning within the loop, after one iteration. You need to dedent the return statement so that it falls outside the loop:

def run():
    sum_ = 0
    for i in range(11):
        sum_ += i
    return sum_

answered Oct 18, 2012 at 22:04

Platinum AzurePlatinum Azure

44k11 gold badges106 silver badges133 bronze badges

2

if anyone want to know how to add 0 + 1 count until 100. There is it!

  x = 0
    while x<100:
        x += 1
        print(x)

answered Nov 29, 2017 at 6:39

You are returning the sum from within the for loop. Indent it outside. Keep it at the same level of indentation as for.

answered Oct 18, 2012 at 22:04

Senthil KumaranSenthil Kumaran

52.4k14 gold badges90 silver badges127 bronze badges

3

You need to dedent the return statement so that it falls outside the loop:

def addNumbers(num)
    sum=0
    for i in range(0,num+1)
        sum=sum+i
    return sum

answered Sep 2, 2016 at 4:54

1

def run(n): total = 0 for item in range(n): total = total + item return total

print(run(11))

answered Jul 13, 2020 at 11:53

1

Problem Definition

Create a Python program to print numbers from 1 to 10 using a for loop.

Solution

In programming, Loops are used to repeat a block of code until a specific condition is met. A for loop is a repetition control structure that allows you to efficiently write a loop that needs to execute a specific number of times.

Also, we are going to use one of Python’s built-in function range(). This function is extensively used in loops to control the number of times the loop has to run. In simple words range is used to generate a sequence between the given values.

For a better understanding of these Python, concepts it is recommended to read the following articles.

• Python’s range() Function Explained
• How To Construct For Loops In Python

Program

for i in range(1, 11):
    print(i)

Output

1
2
3
4
5
6
7
8
9
10

Explanation

The for loop prints the number from 1 to 10 using the range() function here i is a temporary variable that is iterating over numbers from 1 to 10.

It’s worth mentioning that similar to list indexing in range starts from 0 which means range( j )will print sequence till ( j-1) hence the output doesn’t include 6.

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In this post, you will learn a Python program to find the sum of n numbers using a for loop.

In the given example, we have used the for loop to calculate the sum of n numbers. First, we have taken an int data type number input from the user and stored it in a variable num. Initially, the sum is initialised to 0. Then, we used the for loop for iteration in the range from 1 to num + 1 to increase the number up to the given input. In each iteration, we have added the value to the sum and, at last, printed the sum variable.

Algorithm

1. Read the input (num) from the user.
2. Initialize a variable sum with zero.
3. Use a for loop to iterate from 1 to num.
4. Inside the loop, add the num to the sum.
5. At the end, print the value of the sum.

Python Program to find sum of n numbers using for loop

# Sum of natural numbers up to num

num = int(input("Please enter the number: "))

sum = 0

for value in range(1, num + 1):
    sum = sum + value
    
print(sum)

Output1:

Please enter the number: 20
210

We can see the sum of the number till 20 is 210 as the output.

Output2:

Please enter the number: 12
78

Output3:

Please enter the number: 23
276

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