ENGR 102 EXAM 1 QUESTIONS AND ANSWERS VERIFIED 100% CORRECT| GRADED A +|

ENGR 102 EXAM 1 QUESTIONS AND ANSWERS VERIFIED 100% CORRECT| GRADED A +| What must be true to convert from a string to an integer or float? - ANSWER There must be a "clearly" defined conversion. Examples: int('3') has the integer value of 3 float('3.14') has the float value of 3.14 float('2') has the float value of 2.0 int('2.5') has an ERROR since it cannot convert to a float and then to an int all in one step x = str(1/2) print(x) What would be the output of the previous? - ANSWER 0.5 Note: 0.5 would be a string and the operation of 1/2 is done before the conversion to a string x = str(10*1.0) print(x) What would be the output of the previous and what is the type of x? - ANSWER 10.0 Type of x: string How to convert from and to a boolean value? - ANSWER Using the bool() function x = 1 bool(x) When you convert FROM a boolean value what are True and False values assumed to be? - ANSWER True is assumed to have the value 1 False is assumed to have the value 0 When you convert TO a boolean value what numeric is False? - ANSWER The numeric value 0 has the value False and ANYTHING ElSE has the value True What value does x store in the following code? x = int(True) - ANSWER 1 What value does x store in the following code? x = float(True) - ANSWER 1.0 What value does x store in the following code? x = float(False) - ANSWER 0.0 What value does x store in the following code? x = bool(0) - ANSWER False What value does x store in the following code? x = bool(3) - ANSWER True What value does x store in the following code? x = bool('0') - ANSWER True Note: It is a string input within the bool function, NOT the numeric number 0 What value does x store in the following code? x = bool('') - ANSWER False Note: The empty string = 0 What value does x store in the following code? x = bool('False') - ANSWER True Note: 'False' Is NOT the numeric 0 How do you print more than one value or variable within the print statmenet? - ANSWER Separate them by commas Ex: print(2.0, 'is', 2) Output: 2.0 is 2 What is the output of the following? x = 3 y = 4 print(x, ':', y) - ANSWER 3 : 4 What is the output of the following? x = 3 y = 4 print(str(x) + ':' + str(y)) - ANSWER 3:4 What is the value of the following? "2.3".ljust(10) - ANSWER '2.3 ________' What is the value of the following? "2.3".rjust(10) - ANSWER '________2.3' What is the value of the following? "2.3".center(10) - ANSWER ' ____2.3____ ' How do you change how things are separated in the print statement? - ANSWER print(..., sep="something") How do you change what is done after printing? - ANSWER print(....,end="something") What is the output of the following print statements? print("Test", 3, 5, sep=',', end=':') print(15) - ANSWER Test,3,5:15 How do you use the format() function in python? - ANSWER string.format(values)