Solution Exercise 62: python algorithm which determines the list of digit within a given string

Exercise 62

Write a Python program that determines the list of digits within a given string. Example if s = "Python3.8 is more powerful than Python2.7 " the program must returns the list :

['3', '8', '2', '7']

Solution

def digit(s):
    # initializing the list of digits within the string s.
    digitList = []
    
    # iterate over all characters of s:
    for x in s:
        if x.isdigit():
            digitList.append(x)
           
    return  digitList

#Testing algorithm:
s = "Python3.8 is more powerful than Python2.7 "
print("List of digits within the string s :" , digit(s))
# The output is : 
# List of digits within the string s : ['3', '8', '2', '7']