python - Invalid syntax for except ValueError -

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when run code (python 3.3):

counter=0 score=0 import random = random.randint(1,25) b = random.randint(1,25) c=a+b try:     answer=int(input("what "+str(a)+" + "+str(b)+" ? ")                     if answer == c:         score=score+1         print("well done!")         print("your score "+str(score)+".")         print("")         counter = counter + 1     else:         print("thats wrong. correct asnwer is: "+str(c)+".")         print("your score "+str(score)+".")         print("")         counter = counter + 1 except valueerror:        print("sadas")

i says "invalid syntax" , highlight colon "if answer == c:" red.

you missing closing parenthesis:

answer=int(input("what "+str(a)+" + "+str(b)+" ? ")                 #         ^     ^                                    ^? #         |      \----------------------------------/ | #          \-----------------------------------------/

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