Python File errors - 


file = input("please enter name txt. file: ")  filename = (file + ".txt") write = "w" append = "a"  file = [] name = " " while name != "done" :     name = input("please enter guest name (enter done if there no   more names) : ").upper()    filename.append(name) filename.remove("done") print("the guests list in alphabetical order, , save in " + filename + " :") file.sort() u in file :     print(u) file = open(filename, mode = write) file.write(name) file.close() print("file written successfully.")

i practicing write file in python, bad happened.

the code. the error description.

here still errors this:

filename.remove("done")

still showing 'str' error.

filename=filename+name

use above code


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