#a=[1,[2,3],4,5,6,7,8,9,['a','b','c']] #print(a[8][1]) #a=[1,[2,3],4,[5,[[6],7]],8,9,['a','b','c']] #print(a[3][1][0][0]) #a[0] = 10 #print(a) #a[1] = 10 #print(a) #a = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16] #print(a[10], a[-4]) #b=slice(0,7,1) # start, end-1, step #print(type(b)) #print(a[b], a[0:7:1]) #print(a[b], a[0:15:7]) #x = 2 #y = 17 #z = 6 #b = slice(x,y,z) # start, end-1, step #print("aaa") #print(a[x:y:z]) #print("bbb") #print(a[7:2:1]) #print(a[7:-1:1]) #print(a[7:-1:-1]) #print("ccc") #print(a[-1:0:-4]) #print(a[15:0:-4]) #allow empty value and some functions #print(a[-1::-1]) #print(a[:10]) # 0:10:1 #print(a[::5]) # 0:len(a):5 #print(a[0:15:1]) #print("ddd") #del a[::5] #print(a) #a.remove(4) #print(a) #a = [1,2,3,4,5,4,6,7,8,9,10,11,12,13,14,15,16] #a.remove(4) #print(a) #a.clear() #print(a) #a = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16] #a = [] #print(a) #a = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16] #a.sort(reverse=True) # change original list #print(a) #print("eee") #b = sorted(a) #print(a) #print(b) #print("fff") #a=[1,2,3,4,9,10,11,12,5,6,7,8,13,14,15] #a.sort() #print(a) #b = sorted(a,reverse=True) #print(a) #print(b) #a=[1,2,3,4,9,10,11,12,5,6,6,7,8,13,14,15] #print(a.count(6), a.index(6)) #print(a.count(0), a.index(6)) #print(a.count(0), a.index(0)) #error appear for index 0 not in the list #temp 8, for tuple a = 1,2,3,4,9,10,11,12,5,6,6,8,13,14,15 print(a.count(0),a.index(6)) print(a[0]) #a[0]=10 #a.sort() print(a) b = sorted(a,reverse=True) print(a) print(b) b = 1, print(b) b = () print(b, type(b)) a = {1,2,"a",3,4,"",9,10,"b",11,12,5,6,"a",6,8,13,14,15} print(type(a)) print(a) print("ggg") a = [1,2,"a",3,4,"b",9,10,"b",11,12,5,6,"a",6,8,13,14,15] #a = set(a) #print(type(a)) #a = list(a) a = list(set(a)) print(a) a = {1,2,"a",3,4,"",9,10,"b",11,12,5,6,"a",6,8,13,14,15} a.add(16) print(a) a.update(a, {17, 18}) print(a) a = {1,2,3,4} b = {3,4,5,6} print(a | b) print(a & b) print(a - b) print(a ^ b)