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python keyerror 0

# Occured when accesing an invalid key usually a dictionary
d={2:3}
print(d[0])

# python keyerror 0 -->because no key 1 present only 2 is there in dictionary

print(d[1])

# python keyerror 1 -->because no key 1 present only 2 is there in dictionary

# Tip use get when accessing unknow dictonary content if we use dict.get(0) we get None as result not an exception
 
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Tagged: #python #keyerror
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