rdas questions

rdas answers

• What does arr.sort(key=lambda x: (x[0],-x[1])) mean?
• How to mock a Python class during testing for runtime typing checks?
• Can I check if a list contains any item from another list? [duplicate]
• How to append data to an existing csv file in AWS S3 using python boto3
• Select priority item from list
• If else condition cloudformation
• Destruct Python List as Function Arguments [duplicate]
• Python logging how to track hostname in logs?
• MySQL "delayed commit ok done" and performance
• Why am I getting different errors when trying to read s3 key that does not exist