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What are selection/decision control statements in Python?
What are selection/decision control statements in Python?
- Statements that are essential for data science and machine learning in Python
- Statements that help in iterating over large datasets and automating repetitive tasks
- Statements that only run a particular code when a certain condition is met
- Statements that allow a program to test several conditions and execute instructions based on which condition is true (correct)
What does the 'if' statement do in Python?
What does the 'if' statement do in Python?
- It runs a particular code, but only when a certain condition is met or satisfied (correct)
- It helps in iterating over large datasets and automating repetitive tasks
- It allows a program to test several conditions and execute instructions based on which condition is true
- It only has one condition to check
Why are loops essential in Python programming language?
Why are loops essential in Python programming language?
- They are essential for data science and machine learning
- They allow programmers to process data efficiently and perform iterations (correct)
- They help in automating repetitive tasks
- They are useful for iterating over large datasets
What is the significance of while loops in Python?
What is the significance of while loops in Python?
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How do loops contribute to machine learning in Python?
How do loops contribute to machine learning in Python?
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Study Notes
Control Statements in Python
- Selection/decision control statements in Python are used to control the flow of a program's execution based on conditions or decisions.
- They are used to execute different blocks of code based on different conditions.
'if' Statement in Python
- The 'if' statement is a type of selection/decision control statement in Python that allows the program to execute a block of code if a certain condition is true.
- The syntax of the 'if' statement consists of the keyword 'if' followed by a condition, a colon, and the block of code to be executed.
Importance of Loops in Python
- Loops are essential in Python programming language because they allow the program to execute a block of code repeatedly for a specified number of times.
- Loops are used to iterate over a sequence of data, such as lists, tuples, or strings, and perform operations on each item.
'while' Loops in Python
- The 'while' loop is a type of loop in Python that executes a block of code as long as a certain condition is true.
- The syntax of the 'while' loop consists of the keyword 'while' followed by a condition, a colon, and the block of code to be executed.
Loops in Machine Learning
- Loops contribute to machine learning in Python by enabling the program to iterate over large datasets and perform operations on each item, such as training a model or making predictions.
- Loops are used in machine learning algorithms, such as gradient descent, to optimize the model's parameters and improve its performance.
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