importjsondata={'b':123,'c':456,'a':'789'} d1=json.dumps(data,sort_keys=True,indent=4); printd1printdataprint'''line1line2line3'''print3>2printTrueandFalseprintnotTrueage=17ifage>18: print'adult'else: print'teenager'PI=1111printPIprint10.0/3#listclassmates=['Mark','Bob','Tracy'] printclassmates# list lenprintlen(classmates) printclassmates[0] # lastprintclassmates[-1] classmates.append("Adam") printclassmatesclassmates.insert(1,'aaaa') printclassmatesclassmates.pop(); printclassmates#tuple Not Change.diff list:not append insertnoChange=('aa','bb') printnoChanget= (1,) printtL= [ ['Apple', 'Google', 'Microsoft'], ['Java', 'Python', 'Ruby', 'PHP'], ['Adam', 'Bart', 'Lisa'] ] printL[0][0] printL[1][1] printL[2][2] #if...elifage=3ifage>=18: print('adult') elifage>=6: print('teenager') else: print('kid') s='123'birth=int(s) ifbirth<200: print'AAA'else: print'BBB'#for innames=['Mark','Bob','Tracy'] fornameinnames: printname# 1+2....+1000 rangesum=0forxinrange(1000): sum=sum+xprintsumn=0whilen<len(L): i=0whilei<len(L[n]): printL[n][i] i=1+in=1+n#dict->Mapd={'Mark':95,'Bob':75,'Tracy':85} printd['Mark'] d.pop('Tracy') printd