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Activity 3.2.1 Where does the name 'Boolean' come from? Boolean variables are named after George Boole who invented the mathematics of digital logic. Find a picture of George Boole and insert it here. ● When was he born? 2 November 1815 3.2 Variables and Data Types Activity 3.2.2 Data types Use the 'type' function to find out the data types for these values: ● >>>type("Fred") >>>type(198) int >>>type(88.9) float >>>type(True) bool >>>type(False) bool Hint: Remember that True and False must start with a capital letter. Activity 3.2.3 Expression "hello world" False 15 35.6 -999 "15" "False" True 0.001 The type function returns the data type of an expression. For each of these expressions, first predict the data type then use the type command to see if your prediction was correct. ● str Predicted data type string boolean integer float integer string string boolean float Activity 3.2.4 The interactive shell is a useful place to explore variables. Copy and run this code in the interactive shell: myName="Fred Smith" myAge=14 print(myName, myAge) Fred Smith 14 Type command type("hello world") type(False) type(15) type(35.6) type(-999) type("15") type("False") type(True) type(0.001) Result string boolean integer float integer string string boolean float Create a variable called myName and assign it to your name. myName="Lilac Osborne" Create a variable called myAge and assign it to your age myAge=15 Create a variable called myEyes and assign it to your eye colour. myEyes="brown" ● Create a variable called myHeight and assign it to your height. MyHeight="5'8\"" Write the commands to display on the screen your name, age, eye colour height. myName="Lilac Osborne" my Age=15 myEyes="brown" myHeight="5'8\"" print(myName,myAge,my Eyes, myHeight) Hint: Remember that a single '=' is used to assign a value to a variable. Activity 3.2.5 Variable...
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Alternative transcript:
names A programmer is trying to decide on a valid name for a variable that represents a house number. Which of the following variable assignments are valid? Why are the others not valid? Reason why not valid 8HouseNumber = 288 houseNumber = 288 house Number = 288 house_number = 288 import = 288 Valid or invalid variable name? invalid Valid invalid Valid invalid Starts with a number Space between the words Import is a built in function What type of error do you get when using an invalid variable name? Invalid syntax Activity 3.2.6 Copy and run this code and explain the result: # Programmer Amy Jones 12/8/2013 # adds two numbers Activity 3.2.7 Data types in Python Complete this table to describe the four data types. Data type Python Explanation abbreviation string numberOne=15 numberTwo=23 answer=numberOne + numberTwo print("The answer is ",answer) integer float boolean int str float bool A whole number Sequence of characters that cannot be changed Numbers with decimal points True False Example (100) ("hello") 18.0 True Hint: Quotation marks are used to show the start and end point of a string, e.g. "this is a string".
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Activity 3.2.1 Where does the name 'Boolean' come from? Boolean variables are named after George Boole who invented the mathematics of digital logic. Find a picture of George Boole and insert it here. ● When was he born? 2 November 1815 3.2 Variables and Data Types Activity 3.2.2 Data types Use the 'type' function to find out the data types for these values: ● >>>type("Fred") >>>type(198) int >>>type(88.9) float >>>type(True) bool >>>type(False) bool Hint: Remember that True and False must start with a capital letter. Activity 3.2.3 Expression "hello world" False 15 35.6 -999 "15" "False" True 0.001 The type function returns the data type of an expression. For each of these expressions, first predict the data type then use the type command to see if your prediction was correct. ● str Predicted data type string boolean integer float integer string string boolean float Activity 3.2.4 The interactive shell is a useful place to explore variables. Copy and run this code in the interactive shell: myName="Fred Smith" myAge=14 print(myName, myAge) Fred Smith 14 Type command type("hello world") type(False) type(15) type(35.6) type(-999) type("15") type("False") type(True) type(0.001) Result string boolean integer float integer string string boolean float Create a variable called myName and assign it to your name. myName="Lilac Osborne" Create a variable called myAge and assign it to your age myAge=15 Create a variable called myEyes and assign it to your eye colour. myEyes="brown" ● Create a variable called myHeight and assign it to your height. MyHeight="5'8\"" Write the commands to display on the screen your name, age, eye colour height. myName="Lilac Osborne" my Age=15 myEyes="brown" myHeight="5'8\"" print(myName,myAge,my Eyes, myHeight) Hint: Remember that a single '=' is used to assign a value to a variable. Activity 3.2.5 Variable...
Activity 3.2.1 Where does the name 'Boolean' come from? Boolean variables are named after George Boole who invented the mathematics of digital logic. Find a picture of George Boole and insert it here. ● When was he born? 2 November 1815 3.2 Variables and Data Types Activity 3.2.2 Data types Use the 'type' function to find out the data types for these values: ● >>>type("Fred") >>>type(198) int >>>type(88.9) float >>>type(True) bool >>>type(False) bool Hint: Remember that True and False must start with a capital letter. Activity 3.2.3 Expression "hello world" False 15 35.6 -999 "15" "False" True 0.001 The type function returns the data type of an expression. For each of these expressions, first predict the data type then use the type command to see if your prediction was correct. ● str Predicted data type string boolean integer float integer string string boolean float Activity 3.2.4 The interactive shell is a useful place to explore variables. Copy and run this code in the interactive shell: myName="Fred Smith" myAge=14 print(myName, myAge) Fred Smith 14 Type command type("hello world") type(False) type(15) type(35.6) type(-999) type("15") type("False") type(True) type(0.001) Result string boolean integer float integer string string boolean float Create a variable called myName and assign it to your name. myName="Lilac Osborne" Create a variable called myAge and assign it to your age myAge=15 Create a variable called myEyes and assign it to your eye colour. myEyes="brown" ● Create a variable called myHeight and assign it to your height. MyHeight="5'8\"" Write the commands to display on the screen your name, age, eye colour height. myName="Lilac Osborne" my Age=15 myEyes="brown" myHeight="5'8\"" print(myName,myAge,my Eyes, myHeight) Hint: Remember that a single '=' is used to assign a value to a variable. Activity 3.2.5 Variable...
Can't find what you're looking for? Explore other subjects.
Knowunity is the # 1 ranked education app in five European countries
Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.
Still not sure? Look at what your fellow peers are saying...
iOS User
I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D
Stefan S, iOS User
The application is very simple and well designed. So far I have found what I was looking for :D
SuSSan, iOS User
Love this App ❤️, I use it basically all the time whenever I'm studying
Alternative transcript:
names A programmer is trying to decide on a valid name for a variable that represents a house number. Which of the following variable assignments are valid? Why are the others not valid? Reason why not valid 8HouseNumber = 288 houseNumber = 288 house Number = 288 house_number = 288 import = 288 Valid or invalid variable name? invalid Valid invalid Valid invalid Starts with a number Space between the words Import is a built in function What type of error do you get when using an invalid variable name? Invalid syntax Activity 3.2.6 Copy and run this code and explain the result: # Programmer Amy Jones 12/8/2013 # adds two numbers Activity 3.2.7 Data types in Python Complete this table to describe the four data types. Data type Python Explanation abbreviation string numberOne=15 numberTwo=23 answer=numberOne + numberTwo print("The answer is ",answer) integer float boolean int str float bool A whole number Sequence of characters that cannot be changed Numbers with decimal points True False Example (100) ("hello") 18.0 True Hint: Quotation marks are used to show the start and end point of a string, e.g. "this is a string".