How to upload a zip folder in AWS lambda functions (python) without storing in S3. I need to upload the python code written by me normally including all python libraries in order to run the program.
Do you want to do this from AWS Console?
If yes then you simply have to select "Upload a .ZIP file" option in the "Code entry type" dropdown while creating the Lambda
That dropdown has 3 options as follows

Edit code inline
Upload a .ZIP file
Upload a file from Amazon S3
How to upload a zip folder in AWS lambda (python) without storing in S3