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Flashcards on Introduction to Python
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What is Python?
Python is a high-level, interpreted programming language.
Who created Python?
Python was created by Guido van Rossum.
What are the benefits of using Python?
Python offers simplicity, readability, and a vast collection of libraries and frameworks.
What are some common applications of Python?
Python is commonly used for web development, data analysis, artificial intelligence, and automation.
What is the syntax for declaring a variable in Python?
var_name = value
How do you print a message to the console in Python?
print('Hello, World!')
What is the purpose of an if statement in Python?
An if statement allows you to execute a block of code if a certain condition is true.
What is the output of the following code? def greet(name): print('Hello, ' + name) greet('Alice')
Hello, Alice
What does the len() function do in Python?
The len() function returns the length of a string or the number of elements in a list.
What is the purpose of a loop in Python?
A loop allows you to repeatedly execute a block of code.
What is the output of the following code? for i in range(5): print(i)
0 1 2 3 4
What is a list in Python?
A list is an ordered collection of items.
How do you access the last element of a list in Python?
list_name[-1]
What is the purpose of a function in Python?
A function is a reusable block of code that performs a specific task.
What is the output of the following code? print(3 + 2 * 4)
11
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Test Your Knowledge
What is the output of the following code? def multiply(a, b): return a * b print(multiply(3, 4))
7
12
12
34
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What is the purpose of the 'elif' statement in Python?
It is used to end a loop.
It is used to declare a function.
It allows you to specify multiple conditions in an if statement.
It is a built-in Python module.
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What is the output of the following code? print('Hello, ' + 'World!')
Hello
World!
Hello, World!
Hello, World!
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What is a dictionary in Python?
An ordered collection of items.
A function that performs a specific task.
A loop that repeatedly executes a block of code.
An unordered collection of key-value pairs.
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What is the purpose of the 'range' function in Python?
To calculate the average of a list.
To remove duplicate elements from a list.
To generate a sequence of numbers.
To check if a value exists in a list.
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What is the output of the following code? print('Python'.upper())
python
P
PY
PYTHON
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What is the purpose of the 'import' statement in Python?
To create a new variable.
To import a module or a specific function from a module.
To end a loop.
To perform mathematical operations.
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What is the output of the following code? print(2 ** 3)
23
6
8
3
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What is the purpose of the 'in' keyword in Python?
To check if a value is equal to another value.
To check if a value exists in a list.
To declare a function.
To end a loop.
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What is an exception in Python?
A function that performs a specific task.
An ordered collection of items.
A loop that repeatedly executes a block of code.
An error that occurs during the execution of a program.
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