Recursive functions are functions that are called from within itself
The recursive function DigitCount() in Python where comments are used to explain each line is as follows:
#This defines the function
def countDigits(n):
#If the integer is less than 10
if n< 10:
#Then the integer has 1 digit
return 1
#Otherwise,
else:
#Count the number of integers
return 1 + countDigits(n / 10)
At the end of the function, the count of integers is returned to the main function
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