python - Double Validation Error, How to fix? - 


`import time warriorspellone, warriorspelltwo, warriorspellthree, warriorspellultimite =  ("slash"), ("hammer down"), ("flame strike"), ("ragnarok") magespellone, magespelltwo, magespellthree, magespellultimite = ("fireball"), ("lightning strike"), ("necromancy"), ("mutation") archerspellone, archerspelltwo, archerspellthree, archerspellultimite = ("tri-shot"), ("aimed shot"), ("snare"), ("arrow rain") rougespellone, rougespelltwo, rougespellthree, rougespellultimite = ("backstab"), ("smoke bomb"), ("blade toss"), ("shadow wars") spellone, spelltwo, spellthree, spellultimite = ("n/a"), ("n/a"), ("n/a"), ("n/a") warriorhealth, warriorattack, warriormana = int(200), int(10), int(100) magehealth, mageattack, magemana = int(75), int(10), int(200) archerhealth, archerattack, archermana = int(150), int(15), int(150) rougehealth, rougeattack, rougemana = int(100), int(20), int(50) classhealth, classattack, classmana = int(0), int(0), int(0) classselected = ("n/a") class = int(0) confirm = int(0)  try:     class = int(input("\nselect class, warrior(1), mage(2), archer(3), rouge(4)"))     while confirm != 1:         while class <= 4 , class >= 1 :                if class == 1:                 classhealth, classattack, classmana = warriorhealth, warriorattack, warriormana                 spellone, spelltwo, spellthree, spellultimite = warriorspellone, warriorspelltwo, warriorspellthree, warriorspellultimite                 classselected = ("warrior")                             if class == 2:                 classhealth, classattack, classmana = magehealth, mageattack, magemana                 spellone, spelltwo, spellthree, spellultimite = magespellone, magespelltwo, magespellthree, magespellultimite                 classselected = ("mage")             if class == 3:                 classhealth, classattack, classmana = archerhealth, archerattack, archermana                 spellone, spelltwo, spellthree, spellultimite = archerspellone, archerspelltwo, archerspellthree                 classselected = ("archer")             if class == 4:                 classhealth, classattack, classmana = rougehealth, rougeattack, rougemana                 spellone, spelltwo, spellthree, spellultimite = rougespellone, rougespelltwo, rougespellthree, rougespellultimite                 classselected = ("rouge")             print ("\nyou have selected {} class. {} health, {} attack, {} mana".format(classselected, classhealth, classattack, classmana))             print ("\nyour spells are; {}, {}, {} , {}".format(spellone, spelltwo, spellthree, spellultimite))             time.sleep(3)             confirm = int(input("\ndo want continue class? yes(1), no(0)"))             if confirm == 0:                 classhealth, classattack, classmana, spellone, spelltwo, spellthree, spellultimite = int(0), int(0), int(0), ("n/a"), ("n/a"), ("n/a"), ("n/a") except (valueerror, typeerror):     class = int(input("\ninvalid class, try again | warrior(1), mage(2), archer(3), rouge(4)"))`

i'm trying make own game fun, class selection stage validation not working though, when using idle, if number outside range e.g. 5 input-ed, nothing happens. when enter character, error phrase, when re-enter same character crash programme.

any suggestions improve validation? i'm new python knowledge of code lacking bit

edit working on it, leaving open bookmark, no need new answers

the error message triggered if exception thrown. example, if user inputs "hello", , call int("hello") throw valueerror , trigger error message.

however, if call int("5"), there no error here – returns 5. code enters outer while loop, doesn't enter inner while loop (because 5 not <= 4). sits in outer loop forever. never throw exception or leave loop.

you can handle case when class number doesn't fall between 1 , 4 after inner while loop, if want.

update:

try this:

# here's method check whether input ok def isvalidcharacterclassinput(userinput):     try:         # return true if input between 1 , 4         # return false if input integer doesn't fall within range         return 1 <= int(userinput) , int(userinput) <= 4     # valueerror exception gets thrown if input couldn't turned int, example, if input "2.5" or "hello"     except valueerror:         # in case, return false         return false  # input user characterclassinput = input("input 1, 2, 3 or 4: ")  # if input ok, skip part # if input not ok, enter loop , ask input again while not isvalidcharacterclassinput(characterclassinput):     print "you have not chosen valid number. please try again."     characterclassinput = input("input 1, 2, 3 or 4: ")  # don't here until input validated print "you have chosen", characterclassinput

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