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Questions and Answers
What is the purpose of the 'print()' function in Python?
What will the following Python code produce: print('Hello World.')?
What is the purpose of the 'end' parameter in the 'print()' function?
What is wrong with this code: print(Hello World.)?
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In Python, what is the purpose of the 'input()' function?
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What type of data does the 'print()' function display to the screen in Python?
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What is the correct data type for the variable state?
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Which data type is represented by the variable temperature?
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What is the appropriate data type for the variable price?
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What is the data type of virus_scan_completed?
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What is the correct data type for representing the unit price?
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If we want to display the subject as 'MATH111 - Abstract Algebra', which variables should be used?
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What is the value of temperature_negative if temperature = -5?
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What is the result of mobile_number = 1231231234?
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What is the value of full_name after using string addition?
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Study Notes
Purpose of the 'print()' Function
- Displays output to the console.
- Example:
print('Hello World.')produces the output "Hello World."
'end' Parameter in 'print()' Function
- The
endparameter specifies what is printed at the end of the output instead of the default newline character. - Useful to control the format of output; for instance,
print('Hello', end=' ')prints "Hello " without moving to a new line.
Syntax Issues
- The code
print(Hello World.)is incorrect due to the lack of quotes around the string, leading to a syntax error.
Purpose of the 'input()' Function
- Collects user input from the console.
- Returns the data entered as a string.
Data Displayed by 'print()' Function
- Can display multiple data types including strings, integers, floats, and more.
Correct Data Types
-
Variable
state: Typically a string, to represent state names or abbreviations. -
Variable
temperature: Usually a float or integer to represent temperature values. -
Variable
price: Generally a float, as prices often involve decimal points. -
Variable
virus_scan_completed: Boolean, indicating completion status (True/False). - Unit price: Correctly represented as a float to account for cents and precision.
Subject Representation
- To display the subject as 'MATH111 - Abstract Algebra', use appropriate string variables for both components.
Calculating Data Values
- If
temperature = -5, thentemperature_negativewould also equal -5 since it is directly referencing or storing that value. - The code
mobile_number = 1231231234assigns an integer to the variable mobile_number, representing a phone number. - After using string addition,
full_namewill concatenate the given strings, resulting in a combined name.
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Description
Test your knowledge on Python programming concepts including variables, data types, input and output functions, escape sequences, string formatting, and numerical operations.
