a=10 def addgoled(): global a a+=1 dd=[{'name':'zhang','age':10}, {'name':'tu','age':13}] d={'name':'zhang','age':10} def adddict(): global d #for a in d.values(): d['age']+=1 # addgoled() print(a) adddict() for k,v in d.items(): print(k,v) list1=[] for i in range(1,11): list1.append(i) for i in range(1,11): if i%3==0: list1.append(i) print(list1) list2=[i for i in range(1,11)] list4=[i*i for i in range(1,6)] print(list4) list5=[i*i for i in range(1,11) if i%2==0] print(list5) list2=[i for i in range(1,11) if i%3==0] print(list2) l1=['Hello','GOOD','ABC','kkh'] l2=[] for i in l1: l2.append(i.lower()) print(l2) #生成器 l8=[i.lower() for i in ['Hello','GOOD','ABC','kkh']] print(l8) l3=[] a=['A','B','C'] b=['X','Y','Y'] for k in a: for j in b: l3.append(k+j) print(l3) #生成器 #l9=[k+j for k in a for j in b] l9=[k+j for k in ['A','B','C'] for j in ['X','Y','Y']] print(l9) #奇数 list3=[i for i in range(1,10) if i%2!=0] print(list3) list4=[i for i in range(1,10) if (i%2!=0)&(i<5)] print(list4)