How to print unique characters of a string in Python?

Print Unique Characters of a String

To print unique characters of a string in Python, iterate over the characters of the string, prepare a list of unique characters, and print them.

Example

In the following program, we take a string in name variable, and print the unique characters in this string to console.

main.py

myString = 'banana'

uniqueChars = []

#get unique characters into a list
for ch in myString :
    if ch not in uniqueChars :
        uniqueChars.append(ch)

#print unique characters list
for ch in uniqueChars :
    print(ch)

Output

b
a
n

Reference

In the above program(s), we have used the following Python concepts. The links have been provided for reference.

• For Loop
• List
• Create empty list in Python
• Add item to list
• Python not logical operator
• Python in – membership operator
• Python print() builtin function

Conclusion

In this Python Tutorial, we learned how to print unique characters of a given string in Python.