John Zelle Python Chapter 1 Questions and Answers 100% Pass

John Zelle Python Chapter 1 Questions and Answers 100% Pass What is a program in Python? A program in Python is a sequence of instructions that the computer can execute to perform a specific task. What is the Python shell? The Python shell is an interactive environment where you can type and execute Python commands directly. What is the difference between a statement and an expression in Python? A statement in Python is a command that the interpreter executes, while an expression is a piece of code that produces a value. What is the Python interpreter? The Python interpreter is the program that reads and executes Python code line by line. What is the role of the `input()` function? 2 The `input()` function in Python is used to get input from the user as a string. What is the `int()` function used for? The `int()` function is used to convert a string or other data types into an integer. What is a variable in Python? A variable in Python is a name that refers to a value or object in memory. How do you assign a value to a variable in Python? You can assign a value to a variable in Python using the `=` operator. What is a string in Python? A string in Python is a sequence of characters enclosed in either single or double quotes. How do you concatenate two strings in Python? You can concatenate two strings in Python using the `+` operator. What is a floating-point number in Python? 3 A floating-point number in Python is a number that has a decimal point. How do you convert a float to an integer in Python? You can convert a float to an integer in Python using the `int()` function. What is an operator in Python? An operator in Python is a symbol that performs a specific operation on one or more operands, such as `+`, `-`, or `*`. What is the `+` operator used for in Python? The `+` operator is used for both addition (on numbers) and concatenation (on strings). What is a comment in Python? A comment in Python is text that is ignored by the interpreter, used to explain code or mark sections of the program. How do you write a comment in Python? You can write a comment in Python by placing a `#` symbol before the comment text. 4 What is the `print()` function used for? The `print()` function is used to output text or other values to the console. What is the importance of indentation in Python? Indentation in Python is crucial for defining the structure and scope of code blocks like loops and functions. What is an expression in Python? An expression in Python is a combination of values, variables, and operators that evaluates to a result. What does it mean to evaluate an expression in Python? To evaluate an expression in Python