Python PCEP Literals
- 1. Module 1 operations, basic operators,data types, variables, basic input-output Python literals
- 2. Module 1 Python literals Literals - the data in itself 123 • one hundred twenty three! C • the speed of light? • the constant of integration? • the length of a hypotenuse? • ...? print("2") print(2) 2 2 be stored in completely different ways in the computer's memory
- 3. Module 1 Python literals Octal and Hexadecimal numbers the number eleven million one hundred and eleven thousand one hundred and eleven 11111111 11_111_111 negative numbers? -11111111 - 11_111_111 octal • 0O or 0o prefix (zero-o) hexadecimal • 0x or 0X prefix (zero-x)
- 4. Module 1 Python literals Floats & Exponent 2.5 -0.4 0.4 .4 4.0 4. 3 X 108 3E8: exponent print(0.0000000000000000000001) 1e-22
- 5. Module 1 Python literals Strings • Strings are used when you need to process text. "I am a string." I like "Monty Python" print("I like "Monty Python"") print('I like "Monty Python"')
- 6. Module 1 Python literals Boolean values False 0 No, this is false True 1 Yes, this is true print(True > False) print(True < False)
- 7. Module 1 Python literals Key takeaways • Literals are notations for representing some fixed values in code; • A binary number is made up of 0s and 1s only; • The numerical types: integers, floating-point numbers; • Using the escape character; • Boolean values: true & false
- 8. Module 1 Python literals LAB Practice 3. Python literals-strings