Function, variable, struct or modifier declaration expected

I am using the following code structure; pragma solidity ^0.5.0; contract TtdmToken { uint256 public totalSupply; function TtdmToken () public { totalSupply = 1000000; } } But when compiling with truffle compile I am getting the following error, I have seen similar issue here suggesting the change of contract name I changed the contract name…

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Produce a specific exception in python

I’d like to produce an exception specific to the error that I’m getting. On obtaining a session for AWS the user must input an MFA code: try: session = boto3.Session(profile_name=aws_account,region_name=’us-east-1′) except ValidationError as validation_error: print(f”A validation error has occurred: {vallidation_error}”) except Exception as e: print(f”An exception has occurred: {e}”) set_regions(aws_account) The exception looks like this:…

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I messed up the `/usr/bin/python3` in Ubuntu 18.04, how can I install it back

I was trying to linking different versions of python3 and now I messed up the /usr/bin/python3 and /usr/bin/python3.6. Now I have the /usr/bin/python2 and /usr/local/bin/python3.7 still working. If I type python3 or python3.6, I got bad interpreter: No such file or directory But when I run sudo apt-get install python3 It says python3 is already…

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