Python while Loop Statements - Learning Python in simple and easy steps: A The count is: 0 The count is: 1 The count is: 2 The count is: 3 The count is: 4 The. This is an introduction to Python strings, as used in the CodingBat Python s =. Hello. len(s) ## 5 ## Chars are numbered starting with 0 s[0] ##.H. s[1] ##.e. s[4] One way to loop over a string is to use the range(n) function which given a. The while loop in Python is used to iterate over a block of code as long as the the user n = int(input("Enter n: ")) # initialize sum and counter sum = 0 i = 1 while.
The while loop approach is a generic solution. you can do that in just about any def digit_sum(n): n = abs(n) total = 0 while n >= 1: total += (n % 10) n = n/ 10. 8 Jul 2009 Here.s one way to calculate factorials using a for-loop: # forfact.py n = int(input(. Enter an integer >= 0:.)) fact = 1 for i in range