hackerrank-in-a-string.py

def solve(str):
    standardStr = 'hackerrank'
    i = 0
    count = 0

    for j in str:
        if j == standardStr[i]:
            i += 1
            count += 1
        if count == len(standardStr):
            break

    if len(standardStr) == count:
        return 'YES'
    else:
        return 'NO'


print(solve('hackerrank'))