It contains at least one lowercase English character.
It contains at least one uppercase English character.
It contains at least one special character. The special characters are: !@#$%^&*()-+
Its length is at least 8.
It contains at least one digit.
Given a string, find its strength. Let a strong password is one that satisfies all the above conditions. A moderate password is one that satisfies the first three conditions and has a length at least 6. Otherwise, the password is weak.