collections1

"""
1. User enters a string. Program must print out a string of all the
unique symbols except white spaces, ordered by default. Program must
be case-insensitive.

Example:
    String: My name is	Alex
Result:
aeilmnxy

NOTE: you will need a few data structure transformations here.
"""

text=input("Enter text:")
text=text.lower()
newtext=[]
for letter in text:
    if (letter not in newtext) and (letter != ' ') and (letter != '\t') and (letter != '\v'):
        newtext.append(letter)
    else:
        pass
newtext.sort()
newtext2=''
for item in newtext:
    newtext2=newtext2+item
print(newtext2)