﻿ Python: Find the ration of positive numbers, negative numbers and zeroes in an array of integers - w3resource # Python: Find the ration of positive numbers, negative numbers and zeroes in an array of integers

## Python map: Exercise-12 with Solution

Write a Python program to find the ration of positive numbers, negative numbers and zeroes in an array of integers.

Total number of elements in the give array = n
Ratio:
Positive numbers (n1) : Negative numbers(n2) : Zeroes(n3)
= n1/n : n2/n : n3/n

Sample Solution:

Python Code :

``````from array import array

def plusMinus(nums):
n = len(nums)
n1 = n2 = n3 = 0

for x in nums:
if x > 0:
n1 += 1
elif x < 0:
n2 += 1
else:
n3 += 1

return round(n1/n,2), round(n2/n,2), round(n3/n,2)

nums = array('i', [0, 1, 2, -1, -5, 6, 0, -3, -2, 3, 4, 6, 8])
print("Original array:",nums)
nums_arr = list(map(int, nums))
result = plusMinus(nums_arr)
print("Ratio of positive numbers, negative numbers and zeroes:")
print(result)
nums = array('i', [2, 1, 2, -1, -5, 6, 4, -3, -2, 3, 4, 6, 8])
print("\nOriginal array:",nums)
nums_arr = list(map(int, nums))
result = plusMinus(nums_arr)
print("Ratio of positive numbers, negative numbers and zeroes:")
print(result)
``````

Sample Output:

```Original array: array('i', [0, 1, 2, -1, -5, 6, 0, -3, -2, 3, 4, 6, 8])
Ratio of positive numbers, negative numbers and zeroes:
(0.54, 0.31, 0.15)

Original array: array('i', [2, 1, 2, -1, -5, 6, 4, -3, -2, 3, 4, 6, 8])
Ratio of positive numbers, negative numbers and zeroes:
(0.69, 0.31, 0.0)
```

Python Code Editor:

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