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Python String zfill() Method

❮ String Methods

Example

Fill the string with zeros until it is 10 characters long:

txt = "50"

x = txt.zfill(10)

print(x)
Try it Yourself »

Definition and Usage

The zfill() method adds zeros (0) at the beginning of the string, until it reaches the specified length.

If the value of the len parameter is less than the length of the string, no filling is done.

Syntax

string.zfill(len)

Parameter Values

Parameter Description
len Required. A number specifying the desired length of the string

More Examples

Example

Fill the strings with zeros until they are 10 characters long:

a = "hello"
b = "welcome to the jungle"
c = "10.000"

print(a.zfill(10))
print(b.zfill(10))
print(c.zfill(10))
Try it Yourself »

❮ String Methods