What exception will be raised when you refer to a variable that has not yet been defined?
What exception will be raised when you refer to a variable that has not yet been defined?
a. KeyError
b. SyntaxError
c. IndexError
d. NameError
What exception will be raised when you refer to a variable that has not yet been defined?
a. KeyError
b. SyntaxError
c. IndexError
d. NameError