我的遊戲有很多未定義變量的錯誤

Question

Traceback (most recent call last): 
    File "\\FS2StratfordAC\ALIANWAR$\My Documents\Computing\A453 Controlled Assessment\Python\Task 3\dice game task 3 v2.py", line 52, in <module> 
    print ("Your total is ", str_total) 
NameError: name 'str_total' is not defined* 

這是我的一半程序。

if dice1 ==dice2: 
    print (p1 +(" your skill is " + p1skill)) 
    print (p1 +(" your skill is " + p1str)) 
    print (p2 +(" your skill is " + p2skill)) 
    print (p2 +(" your skill is " + p2str)) 
if dice1 > dice2: 
    str_total = (str_mod + p1str) 
    skill_total=(skill_mod + p1skill) 
    print (p1+ "Strength: " + str(str_val)) 
    print (p1+ "Skill: " + str(skill_val)) 
    print (p2+ "Strength: " + str(str_val)) 
    print (p2+ "Skill: " + str(skill_val)) 
if dice2 > dice1: 
    str_total = (str_mod+p2str) 
    skill_total=(skill_mod+p2skill) 
    str_total = (str_mod+p2skill) 
    str_total=(skill_mod + p1str) 
    skill_total = (skill_mod - p1skill) 

print ("Your total is ", str_total) 
print ("Your total is ", skill_total) 

還有其他的東西沒有定義，像14行和21行沒有定義。任何幫助，將不勝感激。感謝：D。

Answer 1

如果dice1 == dice2爲真，那麼您從未設置過str_total和skill_total。

當dice2 > dice1是真實的，但是，你設置str_total和skill_total兩次。