Python Exercises: Sum of missing numbers of a list of integers
Python List: Exercise - 278 with Solution
Write a Python program to sum the missing numbers in a given list of integers.
Sample Data:
([0, 3, 4, 7, 9]) -> 22
([44, 45, 48]) -> 93
([-7, -5, -4, 0]) -> -12
Sample Solution-1:
Python Code:
def test(nums):
max_num = max(nums)
min_num = min(nums)
return (max_num+min_num)*(max_num-min_num+1)//2 - sum(nums)
nums = [0, 3, 4, 7, 9]
print("Original list:")
print(nums)
print("Sum of missing numbers of the said list of integers:")
print(test(nums))
nums = [44, 45, 48]
print("Original list:")
print(nums)
print("Sum of missing numbers of the said list of integers:")
print(test(nums))
nums = [-7, -5, -4, 0]
print("Original list:")
print(nums)
print("Sum of missing numbers of the said list of integers:")
print(test(nums))
Sample Output:
Original list: [0, 3, 4, 7, 9] Sum of missing numbers of the said list of integers: 22 Original list: [44, 45, 48] Sum of missing numbers of the said list of integers: 93 Original list: [-7, -5, -4, 0] Sum of missing numbers of the said list of integers: -12
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):
max_num = max(nums)
min_num = min(nums)
return sum(range(min_num, max_num+1))-sum(nums)
nums = [0, 3, 4, 7, 9]
print("Original list:")
print(nums)
print("Sum of missing numbers of the said list of integers:")
print(test(nums))
nums = [44, 45, 48]
print("Original list:")
print(nums)
print("Sum of missing numbers of the said list of integers:")
print(test(nums))
nums = [-7, -5, -4, 0]
print("Original list:")
print(nums)
print("Sum of missing numbers of the said list of integers:")
print(test(nums))
Sample Output:
Original list: [0, 3, 4, 7, 9] Sum of missing numbers of the said list of integers: 22 Original list: [44, 45, 48] Sum of missing numbers of the said list of integers: 93 Original list: [-7, -5, -4, 0] Sum of missing numbers of the said list of integers: -12
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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Previous Python Exercise: Largest, lowest gap between sorted values of a list.
Next Python Exercise: Check if each number is prime in a list of numbers.
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Python: Tips of the Day
Generates a list, containing the Fibonacci sequence, up until the nth term:
Example:
def fibonacci(n): if n <= 0: return [0] sequence = [0, 1] while len(sequence) <= n: next_value = sequence[len(sequence) - 1] + sequence[len(sequence) - 2] sequence.append(next_value) return sequence print(fibonacci(7))
Output:
[0, 1, 1, 2, 3, 5, 8, 13]
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