response_str = {'personal_emails': [{'email_address': 'karogers826@gmail.com', 'confidence_score': '75'}, {'email_address': 'plushpalcreations@gmail.com', 'confidence_score': '50'}, {'email_address': 'poet@gmail.com', 'confidence_score': '50'}, {'email_address': 'kristen.the.poet@gmail.com', 'confidence_score': '75'}]}


email_f = []
email_s = []
email_h = []

email_s = response_str["personal_emails"]
#print response_str
#print email_s
for email_1 in email_s:
    print email_1
    if email_1["confidence_score"] == "50":
        print email_1["email_address"]
        email_f.append(email_1["email_address"])
    if email_1["confidence_score"] == "75":
        print email_1["email_address"]
        email_s.append(email_1["email_address"])
    if email_1["confidence_score"] == "100":
        print email_1["email_address"]
        email_h.append(email_1["email_address"])

{'email_address': 'karogers826@gmail.com', 'confidence_score': '75'}
karogers826@gmail.com
{'email_address': 'plushpalcreations@gmail.com', 'confidence_score': '50'}
plushpalcreations@gmail.com
{'email_address': 'poet@gmail.com', 'confidence_score': '50'}
poet@gmail.com
{'email_address': 'kristen.the.poet@gmail.com', 'confidence_score': '75'}
kristen.the.poet@gmail.com
karogers826@gmail.com
Traceback (most recent call last):
  File "emai_sep.py", line 13, in <module>
    if email_1["confidence_score"] == "50":
TypeError: string indices must be integers, not str