Download Python Exam Questions and Answers: Fundamentals Review and more Exams Nursing in PDF only on Docsity!
Python Exam 1 Questions With Correct
Answers
What is the output of: 11.0//2 - CORRECT ANSWER✔✔-5. Floor division to the nearest whole number Returns a float What is the output of: 11//2 - CORRECT ANSWER✔✔- Return an int What is the output of: 11/2 - CORRECT ANSWER✔✔-5. Returns a float What is the output of: 11/2.0 - CORRECT ANSWER✔✔-5. What is the output of: 20%2 - CORRECT ANSWER✔✔- What is the output of: 21%2 - CORRECT ANSWER✔✔- What is the output of: 11%3 - CORRECT ANSWER✔✔- x = 'Texas A&M University' x [-3] =? - CORRECT ANSWER✔✔-i x = 'Texas A&M University'
x [3] =? - CORRECT ANSWER✔✔-a x = 'Texas A&M University' len(x) =? - CORRECT ANSWER✔✔- x = 'Texas A&M University' x [0:5:2] =? - CORRECT ANSWER✔✔-Txs It starts at 0 and ends at 5, incremented by 2 x = 'Texas A&M University' x [4:] =? - CORRECT ANSWER✔✔-s A&M University x = 'Texas A&M University' x [:4] =? - CORRECT ANSWER✔✔-Texa x = 'Texas A&M University' 'A' in x =? - CORRECT ANSWER✔✔-True Acts as a Boolean, determines if it is in the string x = 'Texas A&M University' 't' in x =? - CORRECT ANSWER✔✔-True x = 'Texas A&M University' 'A&M' in x =? - CORRECT ANSWER✔✔-True
[1, 2, 3] * 3 =? - CORRECT ANSWER✔✔-[ 1, 2, 3, 1, 2, 3, 1, 2, 3]
x = 1 y = 0 x >= 2 and (x/y) >2 =? - CORRECT ANSWER✔✔-False x = 6 y = 2 x >= 2 and (x/y) >2 =? - CORRECT ANSWER✔✔-True x = 1 y = 0 x >= 2 and y != 0 and (x/y) >2 =? - CORRECT ANSWER✔✔-False What is the purpose of the "def" keyword in Python? - CORRECT ANSWER✔✔-It indicates that start of a function It indicates that the follow indented section of code id to be stored for later What will the following Python program print out? def fred(): -> print ("Zap") def jane(): -> print ("ABC")
jane() fred() jane() - CORRECT ANSWER✔✔-ABC Zap ABC What will the following Python program print out? count = 0 for number in [3, 41, 12, 9, 74, 15]: -> count = count + 1 print('Count: ', count) - CORRECT ANSWER✔✔-Count: 6 What will the following Python program print out? total = 0 for number in [3, 41, 12, 9, 74, 15]: -> total = total + number print('Total: ', total) - CORRECT ANSWER✔✔- It will add all of the numbers together What will the following Python program print out? cheeses = ['Cheddar', 'Edam', 'Gouda'] 'Edam' in cheeses - CORRECT ANSWER✔✔-True
print (t) =? - CORRECT ANSWER✔✔-['s', 'p', 'a', 'm'] What is the exception order and output of this program below: Assume the user enters 75.
- score = int(input('Enter your score: '))
- if score >= 90:
- -> letter = 'A'
- if score >= 80:
- -> letter = 'B'
- if score >= 70:
- -> letter = 'C'
- if score >= 60:
- -> letter = 'D'
- else:
- -> letter = 'F'
- print ('Letter grade:', letter) - CORRECT ANSWER✔✔-1, 2, 4, 6, 7, 12 C What is the exception order and output of this program below: Assume the user enters 65.
- score = int(input('Enter your score: '))
- if score >= 90:
- -> letter = 'A'
- if score >= 80:
- -> letter = 'B'
- if score >= 70:
- -> letter = 'C'
- if score >= 60:
- -> letter = 'D'
- else:
- -> letter = 'F'
- print ('Letter grade:', letter) - CORRECT ANSWER✔✔-1, 2, 4, 6, 8, 9, 12 D What is the exception order and output of this program below: Assume the user enters 50.
- score = int(input('Enter your score: '))
- if score >= 90:
- -> letter = 'A'
- if score >= 80:
- -> letter = 'B'
- if score >= 70:
- -> letter = 'C'
- if score >= 60:
- -> letter = 'D'
- else:
- -> letter = 'F'
- print ('Letter grade:', letter) - CORRECT ANSWER✔✔-1, 2, 4, 6, 8, 11, 12 F What is the exception order and output of this program below: Assume the user enters 99.
- -> letter = 'F'
- print ('Letter grade:', letter) - CORRECT ANSWER✔✔-If 90 in inputed then it will say that it is a B, because it satisfies the >80 condition and not the 90 condition, even though it is an A x = 1 y = 0 x >= 2 and y != 0 and (x/y) >2 =? - CORRECT ANSWER✔✔-False The (in) Operator is used to determine is a string contains an element of - CORRECT ANSWER✔✔-interest The (not in) operator determines whether a string _______ contain the element of interest. - CORRECT ANSWER✔✔-doesnt Sometimes you'd like your code to do different things depending on the current state - CORRECT ANSWER✔✔-if statements If you need to choose between 2 options use an - CORRECT ANSWER✔✔-if-else statement If you need more than two conditions then use the - CORRECT ANSWER✔✔-if elif else statement it is often necessary to do an operation repeatedly so one can use a - CORRECT ANSWER✔✔- while loop once the condition evaluates to false the ____ loop will stop executing - CORRECT ANSWER✔✔- while
Provides a clean iteration syntax. note the colon and indentation >> for i in range(0, 3): >> print(i*2) 0 2 4 >> m_list = ["Sir", "Lancelot", "Coconuts"] >> for item in m_list: >> print(item) Sir Lancelot Coconuts >> w_string = "Swift" >> for letter in w_string: >> print(letter) S w i f t - CORRECT ANSWER✔✔-For loop This function will return a random integer between a and b including a and b - CORRECT ANSWER✔✔-random.randint(a,b)
if you cannot predetermine how often a loop repeats then you ust use a - CORRECT ANSWER✔✔-while lop / - CORRECT ANSWER✔✔-dividing with remainders // - CORRECT ANSWER✔✔-dividing without remainders ** - CORRECT ANSWER✔✔-exponentiation != - CORRECT ANSWER✔✔-not equal int - CORRECT ANSWER✔✔-signed integers bool - CORRECT ANSWER✔✔-true, false float - CORRECT ANSWER✔✔-numbers with decimals The position (or index) of each of the characters in the string are given below from left to right - CORRECT ANSWER✔✔-start at 0 The position (or index) of each of the characters in the string are given below from right to left - CORRECT ANSWER✔✔-start at - Slice Notation for strings: - CORRECT ANSWER✔✔-finding subsets of strings
gives the character from the string x in location a - CORRECT ANSWER✔✔-x[a] gives the characters from the string x starting at index a and ending at index b-1 - CORRECT ANSWER✔✔-x[a:b] gives the characters from teh string x starting at index a and ending at index b-1 where each index is incremented by c. - CORRECT ANSWER✔✔-x [a:b:c] if the position of a is missing the default value is - CORRECT ANSWER✔✔- if position b is missing the default value is the length of string; - CORRECT ANSWER✔✔-and if position c is missing, the default value is - CORRECT ANSWER✔✔- == - CORRECT ANSWER✔✔-equal sign is the repetition operation - CORRECT ANSWER✔✔-* What is the output? x = 'peach' print x[1:4] - CORRECT ANSWER✔✔-eac What is the type of variable a? a = 5 / 10 - CORRECT ANSWER✔✔-float
x = 0 while x < 8: -> x = x + 3 print(x) What is the output of the program? - CORRECT ANSWER✔✔- Find the errors for the program, write the corrected version of this program. 1 choice = 35 2 if choice > 40: 3 print 'A' 4 elif choice > 30: 5 print 'B' 6 else: 7 print 'C' 8 print 'D' - CORRECT ANSWER✔✔-1 choice = 35 2 if choice > 40: 3 -> print 'A' 4 elif choice > 30: 5 -> print 'B' 6 else: 7 -> print 'C' 8 print 'D' OR
6 else: 7 -> print 'C' 8 -> print 'D' T/F a) Variables are case-sensitive. - CORRECT ANSWER✔✔-True T/F b) In Python, single and double quotation marks are valid. But, triple quotation marks are invalid. - CORRECT ANSWER✔✔-False T/F c) Strings are immutable in Python. - CORRECT ANSWER✔✔-True T/F d) In while loop, The statements in will be executed as long as the condition evaluates to False. - CORRECT ANSWER✔✔-False T/F e) It is impossible to write an infinite loop in Python. - CORRECT ANSWER✔✔-False Write the o/p for the program: a = (1, 3, 4, 'Aggies') print(len(a)) - CORRECT ANSWER✔✔-lengh of a: 4 Write the o/p for the program: a = (1, 3, 4, 'Aggies') print(a[::-1]) - CORRECT ANSWER✔✔-reversed: ('Aggies', 4, 3, 1)
daysinmonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] leap_year = True if leap_year: daysinmonth[1] = 29 print("There are",daysinmonth[0],"days in the month of January") - CORRECT ANSWER✔✔- There are 31 days in the month of January Write the o/p for the program: (8 points) daysinmonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] leap_year = True if leap_year: daysinmonth[1] = 29 print(daysinmonth[1],"days in February") - CORRECT ANSWER✔✔-29 days in February { } - CORRECT ANSWER✔✔-set ____ variables hold constant values. That is once the value of a _____ variable is set, the value of the ____ variable never changes in your program - CORRECT ANSWER✔✔-Global _____ variablees may not hold non-constant values. That is if the keyword global appears in your program your program will be considered incorrect - CORRECT ANSWER✔✔-global ____ are immutable - CORRECT ANSWER✔✔-Tuples
Both ___ and ____ share the immutability criterion - CORRECT ANSWER✔✔-Strings, Tuples An___ object is a list of tuples (immutable lists, each containing an index and value pair - CORRECT ANSWER✔✔-enumerate A useful string method is join which joins a list of strings back together using a string as separator. You can only join a list of strings. You cannot join a list of integers floats or Booleans - CORRECT ANSWER✔✔-sep.Join A ___ is used to contain an unordered collection of objects. These elements are never duplicated - CORRECT ANSWER✔✔-set _____ are unordered and cannot be indexed by numbers - CORRECT ANSWER✔✔-set ____ support a standard collection of operations including union , interaction, difference and symmetric difference - CORRECT ANSWER✔✔-sets New items can be added to a set using - CORRECT ANSWER✔✔-add( ) or update( ) the function of a list looks like - CORRECT ANSWER✔✔-[ ] A function that sees what two sets have in common - CORRECT ANSWER✔✔-intersection A function that puts two sets together - CORRECT ANSWER✔✔-union The _____ function places a single element in the set. - CORRECT ANSWER✔✔-add( )
