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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def encryptstring(text, password):
 """ Encrypt a string according to a specific password. :type text: string :param text: The text to encrypt. :type pass: string :param pass: The password to encrypt the text with. """


    enc = []
    for i in enumerate(text):
        key_c = password[i[0] % len(password)]
        enc_c = chr((ord(i[1]) + ord(key_c)) % 256)
        enc.append(enc_c)
    return base64.urlsafe_b64encode("".join(enc).encode()).decode()