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#String xxx = "ABCDEFGHJIKL" print( xxx ) print len(xxx) ) print( xxx[0] ) print( xxx[2:] ) print( xxx[:2] ) print( xxx[3:6] ) print( xxx[3:8] ) print( xxx[-1] ) print( xxx[-3:] ) print( xxx[-3:-1] ) print( xxx + "MNOPQRSTU" ) print( xxx * 3 ) xxx = xxx + "MNOPQRSTUVWXYZ" print( xxx )
#List xlist = [ 12, 23, 34, 45, 56, 67, 78, 89] print ( xlist ) print( xlist[0] ) print( xlist[1:5] ) print( xlist + [99, 100] ) print( xlist * 2 print len( xlist ) xlist.append(2222) print( xlist ) xlist.insert(2, 99) print( xlist ) xlist = xlist * 2 xlist.remove( 56 ) print( xlist ) ylist = [ "7834", 5765, True, 56.9 ] print( ylist ) print( range(10) ) print( range(2,19) ) print( range(10, 110, 10) ) ylist[:0]=ylist print( ylist ) ylist[:0]=[xlist] print( ylist ) ylist[0]=[] print( ylist ) zlist = list( )
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# slice by steps xlist = [ 23,43,45,65,67,23,54,98 ] print( xlist[::2]) print( xlist[::-2]) # function for list print( sum( xlist )) print( sorted(xlist)) rlist = list( reversed(xlist) ) print( rlist ) #enumurate ylist = ["Spring","Summer", "Autumn","Winter"] for i, season in enumerate( ylist ): print( i, season ) x, y = divmod( 200,36 ) print(x, y, x*36+y )
# set type xxx = ["Hello", "Good bye", "Good morning"] yyy = ["Apple", "Orange", "Hello"] print set( xxx ) if "Good bye" in set( xxx ): print( "See you.") zzz = set(xxx) | set( yyy ) # A or B www = set(xxx) & set( yyy ) # A and B xor = set(xxx) ^ set( yyy ) # A xor B print( zzz ) print( www ) print( xor )
# dictionary address = {"Smith":["Tokyo", 23 ], "Satoh": ["Yokohama", 34 ], \ "Brown": ["Nagasaki", 40], "John":["Toyama", 27]} print address["Satoh"] print address["Brown"][0] print address["John"][1] print address.keys() if address.has_key("John"): address["John"][1]=28 print address["John"] tel = dict( smith=345567, john=374758, william=489287, kent=635793 ) print( tel ) square = dict([(x,x**2) \ for x in range(1, 21)]) print( square ) alphabet = dict([(unichr(x),x) for x in range(0x30, 0x7f)]) for x, y in alphabet.iteritems(): print( "[", x, hex(y), "]", end= " " ) print( ) print( hex(alphabet["a"]) )
# iterator for string s = "ABCDEFGHIJK" it = iter( s ) for i in s: print( it.next() ) # iterator for list xlist = [ "John", "Sarry", "Mary", "Kent", "William" ] it = iter( xlist ) for i in range( len( xlist ) ): member = it.next( ) print( member ) # iterable完成版(try文で) they = reversed( sorted( xlist ) ) while True: try: member = they.next( ) print( member ) except StopIteration: break
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