Explain replace(old, new [, max])

1.	Explain replace(old, new [, max])
Answer» The method replace( ) returns a copy of the string in which the occurrences of old have been replaced with new, optionally restricting the number of replacements to max. Syntax str.replace(old, new[, max]) Parameters – old — This is old substring to be replaced. new — This is new substring, which would replace old substring. max — If this optional argument max is given, only the first count occurrences are replaced. Example # !/usr/bin/python str = “this is string example….wow!!! this is really string”; print str.replace(“is”, “was”); print str.replace(“is”, “was”, 3); OUTPUT thwas was string example….wow!!! thwas was really string thwas was string example….wow!!! thwas is really string

Answer»

The method replace( ) returns a copy of the string in which the occurrences of old have been replaced with new, optionally restricting the number of replacements to max.

Syntax

str.replace(old, new[, max])

Parameters –

old — This is old substring to be replaced.

new — This is new substring, which would replace old substring.

max — If this optional argument max is given, only the first count occurrences are replaced.

Example

# !/usr/bin/python

str = “this is string example….wow!!! this is really string”;

print str.replace(“is”, “was”); print str.replace(“is”, “was”, 3);

OUTPUT

thwas was string example….wow!!! thwas was really string

thwas was string example….wow!!! thwas is really string

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