Sumit questions

• mypy giving error as incompatible type "Optional[int]"; expected "Union[SupportsFloat, str, bytes, bytearray]
• How to match \n at the end of variable using regexp
• Sub routine reference is not working
• Why we divide arrays till one element in merge sort
• Matching IP in perl
• Can't last outside a loop block
• Need an algorithm to create google like word search
• getting sh: =~: unknown operand in shell scripting
• Pytest not able to skip testcase in a class via marker skipif
• HTML Logger in python

Sumit answers