examples/strings/number_of_different.py
import sys s = sys.argv[1] unique = '' for c in s: if c not in unique: unique += c print(len(unique))
examples/strings/number_of_different_set.py
import sys s = sys.argv[1] print(len(set(s)))
import sys s = sys.argv[1] unique = '' for c in s: if c not in unique: unique += c print(len(unique))
import sys s = sys.argv[1] print(len(set(s)))