Getting Started with Python

Topics in this chapter

• Python Basics and Interpreter Modes
• Identifiers, Keywords and Tokens
• Variables and Dynamic Typing
• Data Types and Type Conversion
• Operators and Expressions
• Input and Print Functions
• Errors, Comments and Indentation
• Modules and Library Functions

Cheat sheet

Practice questions

1. Question 1Q-F2CDCD

   In Python's interactive mode, what does the prompt >>> generally indicate?

   1. A.Python is ready to receive a command
   2. B.Python has detected a syntax error
   3. C.A Python program has finished execution
   4. D.Python is displaying the value of a variable
   See the answer and solution
2. Question 2Q-7F3F6F

   What will be printed when the following Python code is executed and the user enters 12 on the first line and 3 on the second line? a = input() b = input() print(a + b)

   1. A.15
   2. B.123
   3. C.12 3
   4. D.A TypeError is raised
   See the answer and solution
3. Question 3Q-9E0268

   Explain the difference between a syntax error and a runtime error in Python, and give one example of each.

   See the answer and solution
4. Question 4Q-30D862

   Which of the following is a valid Python identifier?

   1. A.2total
   2. B.total-value
   3. C.total_2
   4. D.class
   See the answer and solution
5. Question 5Q-7D64CD

   What is the output of the following Python code? x = 7 y = 2 print(x // y, x % y)

   1. A.3 1
   2. B.3.5 1
   3. C.4 0
   4. D.3 0
   See the answer and solution