Python format() function

Python Built-in Functions

Example

Format the number 0.5 as a percentage value:

x = format(0.5, '%')

Run Instance

Definition and Usage

The format() function formats the specified value into the specified format.

Syntax

format(value, format)

Parameter Value

Parameter Description
value Any value in any format.
format

The format you want to format the value to.

Valid values:

  • '<' - Left-aligned result (within available space)
  • '>' - Right-aligned result (within available space)
  • '^' - Center-aligned result (within available space)
  • '=' - Place the sign at the leftmost position
  • '+' - Use plus sign to indicate whether the result is positive or negative
  • '-' - Negative sign is only used for negative values
  • ' ' - Use space before positive numbers
  • ',' - Use comma as a thousand separator
  • '_' - Use underscore as a thousand separator
  • 'b' - Binary format
  • 'c' - Convert the value to the corresponding unicode character
  • 'd' - Decimal format
  • 'e' - Scientific format, using lowercase e
  • 'E' - Scientific format, using uppercase E
  • 'f' - Fixed-point number format
  • 'F' - Fixed-point number format, uppercase
  • 'g' - General format
  • 'G' - General format (uses uppercase E for scientific notation)
  • 'o' - Octal format
  • 'x' - Hexadecimal format, lowercase
  • 'X' - Hexadecimal format, uppercase
  • 'n' - Numeric format
  • '%' - Percentage format

More Examples

Example

Format 255 as a hexadecimal value:

x = format(255, 'x')

Run Instance

Python Built-in Functions