parsing mutipart form data in Lambda

[v71017]

I am working on developing an AWS Lambda function in python. This function is behind AWS API Gateway.
I upload two files from the URL and in lambda function I get event data as below.
I need help how to parse this response and save the two files in S3.


----------------------------124218046032878137249340
Content-Disposition: form-data; name="file1"; filename="2.csv"

Content-Type: text/csv

header,value

a,1
b,2

----------------------------124218046032878137249340

Content-Disposition: form-data; name="file2"; filename="1.txt"

Content-Type: text/plain

aa
bb
cc

----------------------------124218046032878137249340--