# Python Program to Calculate the Number of Upper Case Letters and Lower Case Letters in a String string=raw_input("Enter string:")count1=0count2=0for i in string:      if(i.islower()):            count1=count1+1      elif(i.isupper()):            count2=count2+1print("The number of lowercase characters is:")print(count1)print("The number of uppercase characters is:")print(count2)