assignment 2.2 python for everybody

Python for Everybody

• Coursera: Python for Everybody Specialization
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And yes, Dr. Chuck actually has a race car - it is called the SakaiCar . He races in a series called 24 Hours of Lemons .

• Table of Contents
• Course Home
• Assignments
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• Peer Instruction (Student)
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• Scratch ActiveCode
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• Peer Instruction: Variable Multiple Choice Questions
• Mixed-up Code Questions
• 2.1 Values and types
• 2.2 Variables
• 2.3 Variable names and keywords
• 2.4 Statements
• 2.5 Operators and operands
• 2.6 Expressions
• 2.7 Order of operations
• 2.8 Modulus operator
• 2.9 String operations
• 2.10 Asking the user for input
• 2.11 Comments
• 2.12 Choosing mnemonic variable names
• 2.13 Debugging
• 2.14 Glossary
• 2.15 Multiple Choice Questions
• 2.16 Mixed-up Code Questions
• 2.17 Write Code Questions
• 2.1. Values and types" data-toggle="tooltip">
• 2.3. Variable names and keywords' data-toggle="tooltip" >

2.2. Variables ¶

One of the most powerful features of a programming language is the ability to manipulate variables . A variable is a name that refers to a value.

An assignment statement creates new variables and gives them values:

This example makes three assignments and then prints the value of each of the variables. The first assigns a string to a new variable named message ; the second assigns the integer 17 to a variable named n ; and the third assigns the (approximate) value of pi to a variable named pi .

The type of a variable is the type of the value it refers to.

csp-10-2-4: How would you assign the variable name to the string Penelope ?

• name = 'Penelope"
• The quotation marks on each side of the string need to be the same, either single or double, not a mix.
• name = "Penelope"
• An equals sign is needed to assign a variable and quotation marks tell the program that the value is a string.
• name = Penelope
• What symbols are missing to make ``Penelope`` a string?
• name, "Penelope"
• Look at the variable assignments above, what's missing?

Programming for Everybody (Getting Started with Python) Answers

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Stuck on your journey to learn Python? Get your questions answered in our “Programming for Everybody (Getting Started with Python) Answers” post! We tackle common roadblocks for beginners, making coding accessible for everyone.

What you will learn in the course “Programming for Everybody (Getting Started with Python) “ ?

• Install Python and write your first program
• Describe the basics of the Python programming language
• Use variables to store, retrieve, and calculate information
• Utilize core programming tools such as functions and loops

• 1.1 Week 3 Programming for Everybody – Assignment:
• 1.2 Week 3 Programming for Everybody – Quiz:
• 2.1 Week 4 Assignment 2.2:
• 2.2 Week 4 Assignment 2.3:
• 2.3 Week 4 Programming for Everybody – Quiz:
• 3.1 Week 5 Assignment 3.1:
• 3.2 Week 5 Assignment 3.3:
• 3.3 Week 5 Programming for Everybody – Quiz:
• 4.1 Week 6 Programming for Everybody – Assignment 4.6:
• 4.2 Week 6 Programming for Everybody – Quiz:
• 5.1 Week 7 Programming for Everybody – Assignment 5.2:
• 5.2 Week 7 Programming for Everybody – Quiz:

Week 3 – Programming for Everybody (Getting Started with Python)

Week 3 programming for everybody – assignment:.

Write a program that uses a print statement to say ‘hello world’ as shown in ‘Desired Output’.

Week 3 Programming for Everybody – Quiz:

1. When Python is running in the interactive mode and displaying the chevron prompt (>>>) – what question is Python asking you?

Answer – What would you like to do?

2. What will the following program print out: >>> x = 15; >>> x = x + 5; >>> print x

Answer – 20

3. Python scripts (files) have names that end with:

Answer – .py

4. Which of these words are reserved words in Python?

Answer – if break

5. What is the proper way to say “good-bye” to Python?

Answer – quit()

6. Which of the parts of a computer actually executes the program instructions?

Answer – Central Processing Unit

7. What is “code” in the context of this course?

Answer – A sequence of instructions in a programming language

8. A USB memory stick is an example of which of the following components of computer architecture?

Answer – Secondary Memory

9. What is the best way to think about a “Syntax Error” while programming?

Answer – The computer did not understand the statement that you entered

10. Which of the following is not one of the programming patterns covered in Chapter 1?

Answer – Random steps

Week 4 – Programming for Everybody (Getting Started with Python)

Week 4 assignment 2.2:.

Write a program that uses input to prompt a user for their name and then welcomes them. Note that input will pop up a dialog box. Enter Sarah in the pop-up box when you are prompted so your output will match the desired output.

Week 4 Assignment 2.3:

Write a program to prompt the user for hours and rate per hour using input to compute gross pay. Use 35 hours and a rate of 2.75 per hour to test the program (the pay should be 96.25). You should use input to read a string and float() to convert the string to a number. Do not worry about error checking or bad user data.

Week 4 Programming for Everybody – Quiz:

1. In the following code, print 98.6. What is “98.6”?

Answer – A constant

2. In the following code, x = 42. What is “x”?

Answer – A variable

3. Which of the following variables is the “most mnemonic”?

Answer – hours

4. Which of the following is not a Python reserved word?

Answer – speed

5. Assume the variable x has been initialized to an integer value (e.g., x = 3). What does the following statement do? x = x + 2.

Answer – Retrieve the current value for x, add two to it and put the sum back into x

6. Which of the following elements of a mathematical expression in Python is evaluated first?

Answer – Parenthesis()

7. What is the value of the following expression

Answer – 2

8. What will be the value of x after the following statement executes: x = 1 + 2 * 3 – 8 / 4

Answer – 5

9. What will be the value of x when the following statement is executed: x = int(98.6)

Answer – 98

10. What does the Python raw_input() function do?

Answer – Pause the program and read data from the user

Week 5 – Programming for Everybody (Getting Started with Python)

Week 5 assignment 3.1:.

3.1 Write a program to prompt the user for hours and rate per hour using input to compute gross pay. Pay the hourly rate for the hours up to 40 and 1.5 times the hourly rate for all hours worked above 40 hours. Use 45 hours and a rate of 10.50 per hour to test the program (the pay should be 498.75). You should use input to read a string and float() to convert the string to a number.

Do not worry about error checking the user input – assume the user types numbers properly.

Week 5 Assignment 3.3:

Write a program to prompt for a score between 0.0 and 1.0. If the score is out of range, print an error. If the score is between 0.0 and 1.0, print a grade using the following table: Score Grade

= 0.9 A = 0.8 B = 0.7 C = 0.6 D < 0.6 F If the user enters a value out of range, print a suitable error message and exit. For the test, enter a score of 0.85.

Week 5 Programming for Everybody – Quiz:

1. What do we do to a Python statement that is immediately after an if statement to indicate that the statement is to be executed only when the if statement is true?

Answer – Indent the line below the if statement

2. Which of these operators is not a comparison / logical operator?

Answer – =

3. What is true about the following code segment: if x == 5 : print ‘Is 5’ print ‘Is Still 5’ print ‘Third 5’

Answer – Depending on the value of x, either all three of the print statements will execute or none of the statements will execute

4. When you have multiple lines in an if block, how do you indicate the end of the if block?

Answer – You de-indent the next line past the if block to the same level of indent as the original if statement

5. You look at the following text: if x == 6 : print ‘Is 6’ print ‘Is Still 6’ print ‘Third 6’. It looks perfect but Python is giving you an ‘Indentation Error’ on the second print statement. What is the most likely reason?

Answer – You have mixed tabs and spaces in the file

6. What is the Python reserved word that we use in two-way if tests to indicate the block of code that is to be executed if the logical test is false?

Answer – else

7. What will the following code print out? x = 0 if x < 2 : print ‘Small’ elif x < 10 : print ‘Medium’ else : print ‘LARGE’ print ‘All done’

Answer – Small All done

8. For the following code, if x < 2: print ‘Below 2’ elif x >= 2: print ‘Two or more’ else: print ‘Something else’. What value of ‘x’ will cause ‘Something else’ to print out?

Answer – This code will never print ‘Something else’ regardless of the value for ‘x’

9. In the following code (numbers added) – which will be the last line to execute successfully? (1) astr = ‘Hello Bob’; (2) istr = int(astr); (3) print ‘First’, istr; (4) astr = ‘123’; (5) istr = int(astr); (6) print ‘Second’, istr

Answer – 1

10. For the following code: astr = ‘Hello Bob’ istr = 0 try: istr = int(astr) except: istr = -1. What will the value be for istr after this code executes?

Week 6 – Programming for Everybody (Getting Started with Python)

Week 6 programming for everybody – assignment 4.6:.

Write a program to prompt the user for hours and rate per hour using input to compute gross pay. Pay should be the normal rate for hours up to 40 and time-and-a-half for the hourly rate for all hours worked above 40 hours.

Put the logic to do the computation of pay in a function called computepay() and use the function to do the computation. The function should return a value. Use 45 hours and a rate of 10.50 per hour to test the program (the pay should be 498.75). You should use input to read a string and float() to convert the string to a number. Do not worry about error checking the user input unless you want to – you can assume the user types numbers properly. Do not name your variable sum or use the sum() function.

Week 6 Programming for Everybody – Quiz:

1. Which Python keyword indicates the start of a function definition?

Answer – def

2. In Python, how do you indicate the end of the block of code that makes up the function?

Answer – You de-indent a line of code to the same indent level as the def keyword

3. In Python what is the raw_input() feature best described as?

Answer – A built-in function

4. What does the following code print out? def thing(): print ‘Hello’; print ‘There’

Answer – There

5. In the following Python code, which of the following is an “argument” to a function? x = ‘banana’; y = max(x); print y

Answer – x

6. What will the following Python code print out? def func(x) : print x; func(10); func(20)

Answer – 10, 20

7. Which line of the following Python program is useless? def stuff(): print ‘Hello’ return print ‘World’ stuff()

Answer – print ‘World’

8. What will the following Python program print out? def greet(lang): if lang == ‘es’: return ‘Hola’ elif lang == ‘fr’: return ‘Bonjour’ else: return ‘Hello’ print greet(‘fr’),’Michael’

Answer – Bonjour Michael

9. What does the following Python code print out? (Note that this is a bit of a trick question and the code has what many would consider to be a flaw/bug – so read carefully). def addtwo(a, b): added = a + b return a; x = addtwo(2, 7); print x

10. What is the most important benefit of writing your own functions?

Answer – Avoiding writing the same non-trivial code more than once in your program

Week 7 – Programming for Everybody (Getting Started with Python)

Week 7 programming for everybody – assignment 5.2:.

Write a program that repeatedly prompts a user for integer numbers until the user enters ‘done’. Once ‘done’ is entered, print out the largest and smallest of the numbers. If the user enters anything other than a valid number catch it with a try/except and put out an appropriate message and ignore the number. Enter 7, 2, bob, 10, and 4 and match the output below.

Week 7 Programming for Everybody – Quiz:

1. What is wrong with this Python loop: n = 5; while n > 0 : print n; print ‘All done’

Answer – This loop will run forever.

2. What does the break statement do?

Answer – Exits the currently executing loop.

3. What does the continue statement do?

Answer – Jumps to the “top” of the loop and starts the next iteration.

4. What does the following Python program print out? tot = 0; for i in [5, 4, 3, 2, 1] : tot = tot + 1; print tot

5. What is the iteration variable in the following Python code: friends = [‘Joseph’, ‘Glenn’, ‘Sally’]; for friend in friends : print ‘Happy New Year:’, friend; print ‘Done!’

Answer – friend

6. What is a good description of the following bit of Python code?; zork = 0; for thing in [9, 41, 12, 3, 74, 15] : zork = zork + thing; print ‘After’, zork

Answer – Sum all the elements of a list

7. What will the following code print out? smallest_so_far = -1; for the_num in [9, 41, 12, 3, 74, 15] : if the_num < smallest_so_far : smallest_so_far = the_num; print smallest_so_far

8. What is a good statement to describe the is operator as used in the following if statement: if smallest is None : smallest = value

Answer – matches both type and value

9. Which reserved word indicates the start of an “indefinite” loop in Python?

Answer – while

10. How many times will the body of the following loop be executed? n = 0; while n > 0 : print ‘Lather’ print ‘Rinse’; print ‘Dry off!’

Answer – 0

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Coursera Python: Programming for everybody assignment 5.2

I have been taking Coursera's course, Programming for Everybody with Python. But one of the assignment 5.2 on week 7 got my attention.

The objective is to make the user enter some numbers and enter done, when he entered all the numbers he wanted. After that, the output should be the biggest number and smallest number he entered.

Here is the problem. If I enter a negative number it is not displayed. Let's say I enter: 32, 55,10, -2 76. The output should be 76 and -2. But what really happens is that 76 and 10 are printed out.

Do you guys have any idea why this happens?

Here is the code.

• variable-assignment

• 2 What do you think range(-2) does? –  José Sánchez Commented Dec 28, 2016 at 12:33
• 1 Why are you even looping over a range? –  TigerhawkT3 Commented Dec 28, 2016 at 12:38

3 Answers 3

Well,the issue is that why are you iterating over an int if it isnt a list? You can rather do it with out a loop:

• The continue isn't necessary, as the only other code in that loop is the elif block which already won't run if the if executes. –  TigerhawkT3 Commented Dec 28, 2016 at 12:55
• True,didnt see that. –  Taufiq Rahman Commented Dec 28, 2016 at 12:57

Well, this was my answer. Try this. Let me know what you don't understand.

• 2 Welcome to SO. While this code snippet may be the solution, including an explanation really helps to improve the quality of your post. Remember that you are answering the question for readers in the future, and those people might not know the reasons for your code suggestion. Please check how-to-answer for more details. –  alan.elkin Commented Jun 13, 2020 at 20:58

This code will work for your assignment

largest = None smallest = None while True: try: num = input("Enter a number: ") if num == "done": break # print (num)

print ("Maximum is", largest) print ("Minimum is", smallest)

Not the answer you're looking for? Browse other questions tagged python numbers variable-assignment or ask your own question .

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Coursera: Programming For Everybody Assignment 5.2 program solution Answer | Python for Everybody Assignment 5.2 program solution.

Hello friends, In this video we discussed about Coursera programming for everybody Assignment 5.2 answer other way it's known as Python for everybody Exercise 5.2 Complete program In this course Assignment (Exercise) are available in week 7 part. This is the last assignment of this course.

Click here !

Thanks for watching!!

🔰 -:Programming for Everybody:- 🔰

Course - 1st [ Python For Everybody ]

❇️ Python For Everybody ❇️

⚜️ Peer-Graded Assignment Solutions (week 2) 💡 https://youtu.be/-glz7wm-P0A​

• Python For Everybody Chapter 1 Quiz Answers-

💡 https://youtu.be/o4OfbSFnM3Y​

• Python For Everybody Write Hello world in python

💡 https://youtu.be/BvgOsZGGhcw​

• Python For Everybody Chapter 2 Quiz Answers-

💡 https://youtu.be/CMh7BLG69rI​

• Python For Everybody Assignment 2.2 Solution-

💡 https://youtu.be/gHyFIOJbKpg​

• Python For Everybody Assignment 2.3 Solution-

💡 https://youtu.be/peGXgD7ypPY​

• Python For Everybody Chapter 3 Quiz Answers-

💡 https://youtu.be/MmNEJ6e9zgA​

• Python For Everybody Assignment 3.1 Solution-

💡 https://youtu.be/CSVzbQ9ya5Q​

• Python For Everybody Assignment 3.3 Solution-

💡 https://youtu.be/f9DjidJBcRc​

• Python For Everybody Assignment Chapter 4 Quiz Answers-

💡 https://youtu.be/oXHveA9Zv5w​

• Python For Everybody Assignment 4.6 Solution-

💡 https://youtu.be/wJ6oCUlqWuU​

• Python For Everybody Chapter 5 Quiz Answers-

💡 https://youtu.be/PgqZDdJft6w​

• Python For Everybody Assignment 5.2 Solution-

💡 https://youtu.be/HY9hDE8rgcI​

➖➖➖➖➖➖➖➖➖➖➖➖➖

💡💡Course 2nd💡💡

❇️[PYTHON DATA STRUCTURES]❇️

• Python Data Structures Chapter 6 Quiz Answers-

💡 https://youtu.be/6WqG7E1JjpM​

• Python Data Structures Assignment 6.5 Solution-

💡 https://youtu.be/WbKMA0XA9vg​

• Python Data Structures Chapter 7 Quiz Answers-

💡 https://youtu.be/gKEdoKbt-rI​

• Python Data Structures Assignment 7.1 Solution-

💡 https://youtu.be/h8ESxuIwCzs​

Python Data Structures Assignment 7.2 Solution- 💡 https://youtu.be/fRjZQIzunUU​

Python Data Structures Assignment 8.4 Solution- 💡 https://youtu.be/tDNtt10evgI​

Python Data Structures Assignment 8.5 Solution- 💡 https://youtu.be/kyAk6qX22OI​

Python Data Structures Assignment 9.4 Solution- 💡 https://youtu.be/15KzYoNJay0​

Python Data Structures Assignment 10.2 Solution- 💡 https://youtu.be/R1X2ed9ATQA​