Hacker rank CamelCase

#!/bin/python3
 
import math
import os
import random
import re
import sys
 
#
# Complete the 'camelcase' function below.
#
# The function is expected to return an INTEGER.
# The function accepts STRING s as parameter.
#
 
def camelcase(s):
    # Write your code here
    ans=1
    for i in s: 
        if i.isupper()==True:
            ans+=1
    return ans
if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')
 
    s = input()
 
    result = camelcase(s)
 
    fptr.write(str(result) + '\n')
 
    fptr.close()