In Python, which of the following if-else conditional structures would correctly print 'Number is positive' if the variable 'num' is greater than 0?

if num > 0: print('Number is positive')

if num < 0: print('Number is positive')

if num == 0: print('Number is positive')

if num > 0: print('Number is negative')

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If else statment

If/else statements middle school

การควบคุม โครงสร้างif else

C# Questions On For, While And If Else Statements

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There are two numbers you need to know about climate change. The first is 51 billion. The other is zero. Fifty-one billion is how many tons of greenhouse gases the world typically adds to the atmosphere every year. This is where we are today. Zero is what we need to aim for. To stop the warming and avoid the worst effects of climate change, humans need to stop adding greenhouse gases to the atmosphere. This sounds difficult, because it will be. Every country will need to change its ways. Virtually every activity in modern life – growing things, making things, getting around from place to place – involves releasing greenhouse gases, and as time goes on, more people will be living this modern lifestyle. That’s good, because it means their lives are getting better. Yet if nothing else changes, the world will keep producing greenhouse gases, climate change will keep getting worse, and the impact on humans will be catastrophic. But “if nothing else changes” is a big If. I believe that things can change. We already have some of the tools we need, and as for those we don’t yet have, we can not only invent, but also deploy them, and, if we act fast enough, avoid a climate catastrophe. Two decades ago, I would never have predicted that one day I would be talking in public about climate change. My background is in software, not climate science. Things changed for me when I met with two former Microsoft colleagues who were starting non-profits focused on energy and climate. They brought along two climate experts who were well versed in the issues, and the four of them showed me the data connecting greenhouse gas emissions to climate change. I kept learning everything I could about climate and energy, agriculture, oceans, sea levels, glaciers, power lines, and more. One thing that became clear to me was that our current sources of renewable energy – wind and solar, mostly – could make a big dent in the problem, but we weren’t doing enough to deploy them. It also became clear why, on their own, they aren’t enough to get us all the way to zero. The wind doesn’t always blow and the sun doesn’t always shine. Within a few years, I had become convinced of three things: 1. To avoid a climate disaster, we have to get to zero. 2. We need to deploy the tools we already have, like solar and wind, faster and smarter. 3. We need to create breakthrough technologies that can take us the rest of the way.

Food and Talk Top 10 Table Manners for Kids Wait for your turn. Avoid interrupting when someone else is talking. At the dinner table, you should wait your turn to speak when talking about news, friends, how school was, and other interesting subjects. Use please and thank you If you ask for seconds or ask someone to pass something, you should make your request with 'please'. You should also say 'thank you' to the person who prepares the meal, as well as those who serve you or pass you things. Chew with your mouth closed Take "just right" bites Chewing with your mouth closed and not talking when your mouth is full are two cardinal (基本的) rules of good table manners. You should also avoid stuffing your mouth. Remember to take small bites and never wolf down(狼吞虎咽) the food. One way you can develop this habit is to put your fork down between bites. You can even put your hands on your lap while you chew.

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