Example
Insert the price inside the placeholder, the price should be
in fixed point, two-decimal format:
txt = "For only {price:.2f} dollars!"
print(txt.format(price = 49))
Try it Yourself »
The
format()
method formats the specified
value(s) and insert them inside the string's placeholder.
The placeholder is defined using curly brackets: {}. Read more about the
placeholders in the Placeholder section below.
The
format()
method returns the formatted
string.
Syntax
string
.format(
value1, value2...
)
Parameter Values
Parameter
Description
value1, value2...
Required. One or more values that should be formatted and inserted in
the string.
The values are either a list of values separated by commas, a
key=value list, or a combination of both.
The values can be of any data type.
The placeholders can be identified using named indexes
{price}
, numbered
indexes
{0}
, or even empty placeholders
Example
Using different placeholder values:
txt1 = "My
name is {fname}, I'm {age}".format(fname = "John", age = 36)
txt2 = "My
name is {0}, I'm {1}".format("John",36)
txt3 = "My
name is {}, I'm {}".format("John",36)
Try it Yourself »
Formatting Types
Inside the placeholders you can add a formatting type to format the
result:
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Use a space to insert an extra space before positive numbers (and a minus sign
before negative numbers)
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Use a comma as a thousand separator
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Use a underscore as a thousand separator
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Binary format
Converts the value into the corresponding unicode character
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Decimal format
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Scientific format, with a lower case e
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Scientific format, with an upper case E
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Fix point number format
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Fix point number format, in uppercase format (show
inf
and
nan
as
INF
and
NAN
)
General format
General format (using a upper case E for scientific notations)
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Octal format
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Hex format, lower case
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Hex format, upper case
Number format
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Percentage format
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