A very important technique is to compare values against each other and make a decision:
if (mass >= 100 and friction == 0.001): do something if (velocity >= 5.0 or velocity <= 10.0): do something if (name == "Rocket01"): do something
A very important technique is to compare values against each other and make a decision:
if (mass >= 100 and friction == 0.001): do something if (velocity >= 5.0 or velocity <= 10.0): do something if (name == "Rocket01"): do something