Program
Problem Statement – Given a string S(input consisting) of ‘*’ and ‘#’. The length of the string is variable. The task is to find the minimum number of ‘*’ or ‘#’ to make it a valid string. The string is considered valid if the number of ‘*’ and ‘#’ are equal. The ‘*’ and ‘#’ can be at any position in the string.
Code
s="Hello" a=0 b=0 for i in s: if i=='*': a+=1 elif i=='#': b+=1 print(a-b)
