from __future__ import print_function

def main():
    str1 = "thebest2006" # alphanumeric
    str2 = " " # spasi
    str3 = "Mylivemyadventure" #alphabetic

    print("str1.isalnum(): ", str1.isalnum())
    print("str1.isalpha(): ", str1.isalpha())
    print("str1.isspace(): ", str1.isspace())

    print("\nstr2.isalnum(): ", str2.isalnum())
    print("str2.isalpha(): ", str2.isalpha())
    print("str2.isspace(): ", str2.isspace())

    print("\nstr3.isalnum(): ", str3.isalnum())
    print("str3.isalpha(): ", str3.isalpha())
    print("str3.isspace(): ", str3.isspace())

if __name__ == "__main__":
    main()
