Questions and Answers
What type of control flow statement is a For Loop in Python?
Iterative statement
What is the purpose of the Range function in Python?
To return a sequence of numbers
What is the main difference between a While Loop and a For Loop in Python?
A While Loop repeats until a condition becomes false, while a For Loop iterates over a sequence
What is the syntax for a For Loop in Python that iterates over a sequence?
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What is the output of the following Python code: for i in range(5): print(i)
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A While Loop in Python will repeat until a given condition becomes evaluated as true.
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The Range function in Python returns a sequence of characters.
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For Loops in Python are used to iterate over a single value.
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The syntax for a For Loop in Python is 'for iterable in item'.
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The Range function in Python is used to iterate over a list of strings.
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Study Notes
Loops in Python
-
For Loops: A control flow statement that iterates over a sequence (like lists or strings) or other iterable objects, with a basic syntax of
for item in iterable: # do something with item. -
Range Function: A built-in function that returns a sequence of numbers, commonly used with loops, e.g.
for i in range(5): # 0 to 4prints numbers from 0 to 4. -
Range Function Example:
range(5)generates a sequence of numbers from 0 to 4. - While Loops: Blocks of code that repeat until a given condition becomes evaluated as false.
-
While Loop Example:
I = 0; While (I ...)demonstrates the basic structure of a while loop, where the code within the loop will continue to execute until the conditionIbecomes false.
Loops in Python
-
For Loops: A control flow statement that iterates over a sequence (like lists or strings) or other iterable objects, with a basic syntax of
for item in iterable: # do something with item. -
Range Function: A built-in function that returns a sequence of numbers, commonly used with loops, e.g.
for i in range(5): # 0 to 4prints numbers from 0 to 4. -
Range Function Example:
range(5)generates a sequence of numbers from 0 to 4. - While Loops: Blocks of code that repeat until a given condition becomes evaluated as false.
-
While Loop Example:
I = 0; While (I ...)demonstrates the basic structure of a while loop, where the code within the loop will continue to execute until the conditionIbecomes false.
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