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exception handling in tkinter

# Python program to handle simple runtime error
#Python 3
 
a = [1, 2, 3]
try:
    print ("Second element = %d" %(a[1]))
 
    # Throws error since there are only 3 elements in array
    print ("Fourth element = %d" %(a[3]))
 
except:
    print ("An error occurred")

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exception handling in tkinter

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