python - Not understanding why I'm getting a list index error -


i'm writing code automate of b2b email scraping. have function, hunter.domain_search(url), outputs dictionary lists keys this

{     'domain': 'turbotitleloan.com',     'webmail': false,     'pattern': none,     'organization': none,     'emails': [         {             'value': 'support@turbotitleloan.com',             'type': 'generic',             'confidence': 6,             'sources': [                 {                     'domain': 'turbotitleloan.com',                     'uri': 'http://turbotitleloan.com/car-title-loans/title-loan-faqs',                     'extracted_on': '2016-06-10'                 },                 {                     'domain': 'turbotitleloan.com',                     'uri': 'http://turbotitleloan.com/contact',                     'extracted_on': '2016-06-10'                 },                 {                     'domain': 'turbotitleloan.com',                     'uri': 'http://turbotitleloan.com/faq',                     'extracted_on': '2015-01-30'                 }             ],             'first_name': none,             'last_name': none,             'position': none,             'linkedin': none,             'twitter': none,             'phone_number': none         },         {             'value': 'underwriting@turbotitleloan.com',             'type': 'generic',             'confidence': 5,             'sources': [                 {                     'domain': 'turbotitleloan.com',                     'uri': 'http://turbotitleloan.com/faq',                     'extracted_on': '2016-05-02'                 },                 {                     'domain': 'turbotitleloan.com',                     'uri': 'http://turbotitleloan.com/car-title-loans/what-to-expect',                     'extracted_on': '2016-06-10'                 },                 {                     'domain': 'turbotitleloan.com',                     'uri': 'http://turbotitleloan.com/car-title-loans/title-loan-faqs',                     'extracted_on': '2016-06-10'                 }             ],             'first_name': none,             'last_name': none,             'position': none,             'linkedin': none,             'twitter': none,             'phone_number': none         }     ] } 

and want code return values paired key 'values', series of email addresses. urls list of domain names. here's think issue is

for url in urls:     result=hunter.domain_search(url)     nresult=result['emails']     nresult[0]['value'] 

it outputs single email address , list index out of range error. i'm not getting why i'm encountering error. each time goes through loop working new list, , of these lists should have first element, dictionary want access stored. why loop working on first list, , not on subsequent ones?

the index error caused function returning result empty emails list. try skip entries without emails.

for url in urls:     result=hunter.domain_search(url)     nresult=result['emails']     if nresult:         print(nresult[0]['value'])     else:          print('no emails found in', url) 

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