Dataframe column match with list and create new columns

Question

I have data frame DF column A , check how much List a=["enter", 'Enter', 'Click', 'click'] available in data frame column, and create another column B on the same names. i want to my data frame to look like this :

DF=       A
       "enter Username"
       "click UserBox"
       "Enter Password"
       "Click login"
       "click checkbox"
       "Enter Phonenumber"

OUTPUT :

DF=       A                         B
       "enter Username"             enter
       "click UserBox"              click
       "Enter Password"             Enter
       "Click login"                Click
       "click checkbox"             click
       "Enter Phonenumber"          Enter