TAMU ENGR 102 (python coding) questions with Complete Solutions |100% Pass

TAMU ENGR 102 (python coding) questions with Complete Solutions |100% Pass x += c - x = x + c a -= 3 - a = a - 3 x *= 4 - x = x * 4 y /= 3 - y = y / 3 what are some different types of variables? - Integers, Floating-Point, Strings, Booleans what is an integer? - whole numbers, no decimals/fractions what are floating-point numbers? - numbers with a decimal point what is boolean? - single value either true or false what are strings? - way of describing text (you can use either single quotes or double quotes) float(3) - value becomes 3.0 int(4.9) - has the value 4 str(10*1.0) - has the value '10.0' what is the boolean value of true/false? - true is assumed to have the value 1 false is assumed to have the value 0 x = 3 y = 4 print(str(x) + ':' + str(y)) - 3:4 how to ask the user for input? - x = float(input()) == - equal to != - inequality a = 10 b = 10 c = 20 d = ((ab) and (b=c)) or (not((((c=a+b) and (a==10)) or ((b==10) and c!=10)))) print(d) - false temperature = 100 is_hot = (temperature 85) if is_hot: print("It's hot") if not is_hot: print("It's not hot") - It's hot when to use if-elif-else statements? - when you have multiple "cases" of the same type when to use nested statements? - when there is a clear "order" of checks: checking A then B what is the "while" statement? - creates a loop and will repeat a set of instructions infinitely until the condition is false. while condition: things to do a = 0 while a == 0: print("About to change a") a = 1 print("Changing a back to 0") a = 0 - About to change a Changing a back to 0 About to change a Changing a back to 0 ... (an infinite loop) what is the for loop designed to do? - to perform specific statements for a determined number of iterations sum = 0 for i in range(10): sum += i+1 print(sum) - 55 what are nesting loops? - that is when you nest one loop inside another for i in range(3): print("i is", i)