﻿ Python: Divide a list of integers with the same sum value

# Python Exercises: Divide a list of integers with the same sum value

## Python List: Exercise - 273 with Solution

Write a Python program to find an element that divides a given list of integers with the same sum value.

Sample Solution-1:

Python Code:

``````def test(nums):
for i, x in enumerate(nums[1:-1]):
if sum(nums[:i+1]) == sum(nums[i+2:]):
return nums[i+1]
return "No such element!"
nums = [0, 9, 2, 4, 5, 6]
print("Original list:")
print(nums)
print("Element that devides the said list of integers with the same sum value:\n", test(nums))
nums = [-4, 0, 6, 1, 0, 2]
print("\nOriginal list:")
print(nums)
print("Element that devides the said list of integers with the same sum value:\n", test(nums))
nums = [1, 2, 3, 4]
print("\nOriginal list:")
print(nums)
print("Element that devides the said list of integers with the same sum value:\n", test(nums))
nums = [-4, 0, 5, 1, 0, 1]
print("\nOriginal list:")
print(nums)
print("Element that devides the said list of integers with the same sum value:\n", test(nums))
```
```

Sample Output:

```Original list:
[0, 9, 2, 4, 5, 6]
Element that devides the said list of integers with the same sum value:
4

Original list:
[-4, 0, 6, 1, 0, 2]
Element that devides the said list of integers with the same sum value:
1

Original list:
[1, 2, 3, 4]
Element that devides the said list of integers with the same sum value:
No such element!

Original list:
[-4, 0, 5, 1, 0, 1]
Element that devides the said list of integers with the same sum value:
1
```

Flowchart:

## Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:

Sample Solution-2:

Python Code:

``````def test(nums):
for i in range(len(nums)):
if sum(nums[0:i+1]) == sum(nums[i:]):
return nums[i]
return "No such element!"

nums = [0, 9, 2, 4, 5, 6]
print("Original list:")
print(nums)
print("Element that devides the said list of integers with the same sum value:\n", test(nums))
nums = [-4, 0, 6, 1, 0, 2]
print("\nOriginal list:")
print(nums)
print("Element that devides the said list of integers with the same sum value:\n", test(nums))
nums = [1, 2, 3, 4]
print("\nOriginal list:")
print(nums)
print("Element that devides the said list of integers with the same sum value:\n", test(nums))
nums = [-4, 0, 5, 1, 0, 1]
print("\nOriginal list:")
print(nums)
print("Element that devides the said list of integers with the same sum value:\n", test(nums))
```
```

Sample Output:

```Original list:
[0, 9, 2, 4, 5, 6]
Element that devides the said list of integers with the same sum value:
4

Original list:
[-4, 0, 6, 1, 0, 2]
Element that devides the said list of integers with the same sum value:
1

Original list:
[1, 2, 3, 4]
Element that devides the said list of integers with the same sum value:
No such element!

Original list:
[-4, 0, 5, 1, 0, 1]
Element that devides the said list of integers with the same sum value:
1
```

Flowchart:

## Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:

Python Code Editor:

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﻿

## Python: Tips of the Day

Returns True if the provided function returns True for every element in the list, False otherwise:

Example:

```def tips_every(lst, fn=lambda x: x):
return all(map(fn, lst))

print(tips_every([2, 4, 3], lambda x: x > 1))
print(tips_every([1, 2, 3]))
```

Output:

```True
True
```