Python Programming: List

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• List1.append (x) – , .
• List1.extened (list2) – list2 list1. , extend .
• List1.insert (i,x) – i. , ( , append), .
• List1.remove (x) – . , . , ValueError (x not in list).
• List1.pop ([i]) – i. , . , , . . .

• List1.index (x, [start], [end]) – start end. . , 0. . . 0, – 1 . . , = [1.78487,5.575,7.364]. [0] = 1.78487, [1] = 5.575, [2] = 7.364.
• List1.count (x) – , . , , .
• List1.sort ([key = ]) – . Python . , .
• List1.reverse () – , . . , . .
• List1.copy () – .

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• Print – . Python 2.7 , Python 3 . , Python 2.7 : print « », kolichestvo ( -, – ). Python 3 : print (« », kolichestvo). .
• Len(list1) – Python .
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• Max – .
• Sum – , , . , TypeError: unsupported operand type(s) for +: 'int' and 'str'.
• Help – . help (int) – , help (str) – , help (file) – , , , .
• Type – , . : >>> text_str = «» >>> type (text_str) >>> <type 'str'>
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