# Makes API call
resultsreturn = requests.get(url,headers=head)

# Grabs text from API call
# Data is returned in one long string:
# '"Header1,Header2,Header3,Header4\nR1C1,R1C2,R1C3,R1C4\nR2C1,R2C2,R2C3,R2C4"'
results_json_data = json.dumps(resultsreturn.text)

# Splits results into list:
# ['"Header1,Header2,Header3,Header4', 'R1C1,R1C2,R1C3,R1C4', 'R2C1,R2C2,R2C3,R2C4"']
list_results_split = results_json_data.split('\n')

#Splits list into dictionary.
dict_results = dict(zip(range(len(list_results_split)), list_results_split))

{0: '"Header1,Header2,Header3,Header4',
 1: 'R1C1,R1C2,R1C3,R1C4'
 2: 'R2C1,R2C2,R2C3,R2C4"'}

{0: {"Header1":"R1C1", "Header2":"R1C2", "Header3":"R1C3", "Header4":"R1C4"}
 1: {"Header1":"R2C1", "Header2":"R2C2", "Header3":"R2C3", "Header4":"R2C4"}
 2: {"Header1":"R3C1", "Header2":"R3C2", "Header3":"R3C3", "Header4":"R3C4"}}