Beginning Python (Video 9)

This video tutorial introduces Python's format method, demonstrating how to format strings, numbers, and floating point numbers for better console output. It covers basic and advanced formatting techniques, including using format specifications, converting numbers between bases, and formatting multiple items with named placeholders. The tutorial concludes with a summary of the discussed techniques and a preview of the next topic on user input.

What does the 'D' in the format specification '{:D}' represent?

• Decimal number

• Date

• Double precision

• Delimiter

Which format type is used to display a number in binary?

• B

• O

• X

• E

Which format type is used for hexadecimal representation?

• X

• H

• Z

• Y

How can you format a floating point number to show only three digits after the decimal?

• Use '{:3f}'

• Use '{:f.3}'

• Use '{:3.f}'

• Use '{:.3f}'

What is the default padding character when formatting numbers?

• Zero

• Space

• Underscore

• Dash

How can you specify a variable name in a format string?

• Use '{name:}'

• Use '{:name}'

• Use '{:name:}'

• Use '{name}'

What is the benefit of using named placeholders in format strings?

• Improves code readability

• Simplifies syntax

• Reduces memory usage

• Increases execution speed