Sword refers to the offer of space replacement (Python) __python

Topic DescriptionImplement a function that replaces a space in a string with "%20." For example, when the string is Are Happy, the replaced string is We%20are%20happy.
It would be easier to use Python, three ideas: 1, using Python's append function 2, using Python's split function 3, using strings to stitch code as follows:

#-*-Coding:utf-8-*-
"" "
Created on Sat Oct 17:20:46 2017
@author: Gb_xiao
mail:mingliumengshao@163 . com "" "" "
topic Description:
Please implement a function that replaces a space in a string with"%20 ".
For example, when the string is the We Are Happy, the character string after the replacement is
we%20are%20happy. "" "
def function1 (string): Result
    = [] for
    i in string:
        if i = =" ":
            result.append ("%20 ")
        Else:
            result.append (i) return
    ". Join (Result)

def function2 (string):
    lists = String.Split ("") Return to
    '%20 '. Join (lists)

def function3 (string): Result
    = "" For
    I in string:
        if i = = "": result
            = result + "%20"
        else: result = result + I return result

def main (): 
  #    string = "We Are Happy" Print
    function1 ("We Are Happy") Print
    function2 ("We Are Happy")
    print Fu Nction3 ("We Are Happy")
    
if __name__  = = "__main__":
    Main ()