SHELL

/bin/bash^M: bad interpreter: No such file or directory

if you cannot run a script called yourScript.sh
run the following command in terminal

sed -i -e 's/
$//' yourScript.sh

Then your script should run

bad interpreter: /bin/python3^M: no such file or directory

dos2unix FILENAME

/bin/bash^M: bad interpreter: No such file or directory

sed -i -e 's/
$//' create_mgw_3shelf_6xIPNI1P.sh