﻿ Python Data Structures and Algorithms - Recursion: Sum of a non-negative integer - w3resource

Python Data Structures and Algorithms - Recursion: Sum of a non-negative integer

Python Recursion: Exercise-6 with Solution

Write a Python program to get the sum of a non-negative integer.

Sample Solution:

Python Code:

``````def sumDigits(n):
if n == 0:
return 0
else:
return n % 10 + sumDigits(int(n / 10))

print(sumDigits(345))
print(sumDigits(45))
```
```

Sample Output:

```12
9
```

Flowchart:

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Python: Tips of the Day

Decapitalizes the first letter of a string:

Example:

```def tips_decapitalize(s, upper_rest=False):
return s[:1].lower() + (s[1:].upper() if upper_rest else s[1:])
print(tips_decapitalize('PythonTips'))
print(tips_decapitalize('PythonTips', True))
```

Output:

```pythonTips
pYTHONTIPS
```