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Python: Recursion - Exercises, Practice, Solution

Recursion [ 11 exercises with solution]

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1. Write a Python program to calculate the sum of a list of numbers. Go to the editor
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2. Write a Python program to converting an Integer to a string in any base. Go to the editor
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3. Write a Python program of recursion list sum. Go to the editor
Test Data: [1, 2, [3,4], [5,6]]
Expected Result: 21
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4. Write a Python program to get the factorial of a non-negative integer. Go to the editor
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5. Write a Python program to solve the Fibonacci sequence using recursion. Go to the editor
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6. Write a Python program to get the sum of a non-negative integer. Go to the editor
Test Data:
sumDigits[345] -> 12
sumDigits[45] -> 9
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7. Write a Python program to calculate the sum of the positive integers of n+[n-2]+[n-4]... [until n-x =< 0]. Go to the editor
Test Data:
sum_series[6] -> 12
sum_series[10] -> 30
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8. Write a Python program to calculate the harmonic sum of n-1. Go to the editor
Note: The harmonic sum is the sum of reciprocals of the positive integers.
Example :

9. Write a Python program to calculate the geometric sum of n-1. Go to the editor
Note: In mathematics, a geometric series is a series with a constant ratio between successive terms.
Example :

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10. Write a Python program to calculate the value of 'a' to the power 'b'. Go to the editor
Test Data :
[power[3,4] -> 81
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11. Write a Python program to find  the greatest common divisor [gcd] of two integers. Go to the editor
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