card 1 of 11
(2,3)[0]
index by counting items, starting with zero
2
card 2 of 11
(2,3)[1]
index by counting items, starting with zero
3
card 3 of 11
(2,3)[2]
index by counting items, starting with zero
IndexError: tuple index out of range
card 4 of 11
(5,3,1,0,3)[2+2]
expressions for index are evaluated first
3
card 5 of 11
"what letter do you want"[15]
string indexing is like tuple indexing, with characters as items
'y'
card 6 of 11
"magic"[-1]
negative index values count backward from end
'c'
card 7 of 11
(1,2,3,4,5)[-2]
negative index values count backward from end
4
card 8 of 11
"once each day"[12-20]
negative index values count backward from end
'e'
card 9 of 11
"iowa"[-1]+"city"[1]
indexing has priority over other operators
'ai'
card 10 of 11
(1,2,3,"iowa",4)[3][2]
indexing evaluates left-to-right
'w'
card 11 of 11
(1,2,3,"iowa",4)[2][3]
indexing evaluates left-to-right
TypeError: indexing on an integer not permitted
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