Three ways to replace in Python

Strip () replace () Re.sub ()

1.replace () is a python built-in function, character type. replace (old,new)

s1= "Hello 2017"

S1.replace ("2017", "2018")

2. Strip () deletes the specified character, but only the character at the first place. If there is a space in the first place, you cannot delete the characters, remove the whitespace character without any parameters (including ' \ n ', ' \ R ', ' \ t ', '), but delete only the beginning and end of the string, and you cannot delete the middle

s1= "oghd khnn \ r \ n \ t"

S1.strip ()

S1.strip ("NN")

The. Strip () function also has two versions: Lstrip () and Rstrip (), respectively, to remove the "other characters" from the beginning.

Three ways to replace in Python