CS 11 C track: lecture 1 - Caltech

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Compound data types (3)n Tuples:a = (1, 2, 3, 4, 5)print a[1] # 2empty_tuple = ()n Difference between lists and tuples:n lists are mutable; tuples are immutablen lists can expand, tuples can’tn tuples are slightly faster
Compound data types (4)nnObjects:class Thingy:# next week’s <strong>lecture</strong>t = Thingy()t.method()print t.fieldBuilt-in data structures (lists, dictionaries)are also objectsnthough internal representation is different
Page 3 and 4: Assignmentsn 1st assignment is post
Page 5 and 6: Why learn Python?n "Scripting langu
Page 7 and 8: Starting and exiting Python% python
Page 9 and 10: Simple data types: operatorsn + - *
Page 11: Compound data types (2)n Dictionari
Page 15 and 16: Control flow (2)n Notes:n blocks de
Page 17 and 18: Control flow (4)n for loopsfor a in
Page 19 and 20: Control flow (6)n Common while loop
Page 21 and 22: Control flow (7): odds & endsn cont
Page 23 and 24: Defining functionsdef foo(x):y = 10
Page 25 and 26: Commentsn Start with # and go to en
Page 27 and 28: File naming conventionsn python fil
Page 29 and 30: Strings and formattingi = 10d = 3.1
Page 31 and 32: Modules (2)n or:from math import *p
Page 33 and 34: Modules (4)nCode you write in file
Page 35 and 36: File I/Of = open("foo", "r")line =

CS 11 C track: lecture 1 - Caltech

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