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This is exactly the messaging of the oil companies and others who oppose climate action now that it’s too hard to deny. They want us to think it’s hopeless and give up trying to change anything. It’s not too late. Green energy is growing exponentially and has been possibly the fastest technological adoption in history. Millions of people are working on the science and technology to solve these problems. We just need some more collective action at the local and national levels. Carbon taxes, funding for green initiatives, local agriculture, and support for alternative transportation like e-bikes or other PEVs to start
You’re setting ‘nam’ to whatever the output of the function called ‘input’ is. The string asking who are you is an argument to the ‘input’ function. What that function does happens to be that it prints its argument out to the console, waits for the user to enter text, and returns whatever text was entered as its output. I would recommend actually trying out the code and playing around with it if you want to understand it better.
The other two functions you mentioned work similarly. The output of the function named ‘int’ is a new integer. Usually you will give it a number as an argument to set the value of that integer.