Input sentence and convert capital letters to small and vice versa in Python
String Methods - Question 7
In this question, we will see how to input a sentence and convert all the capital letters to small letters and vice versa in Python programming. To know more about string methods click on the string methods lesson.
Q7) Write a program in Python to input a sentence and convert all the capital letters to small letters and vice versa.
Program
ns=""
str=input("Enter a sentence\n")
for i in range(0,len(str)):
if str[i].isupper()==True:
ns=ns+str[i].lower()
elif str[i].islower()==True:
ns=ns+str[i].upper()
else:
ns=ns+str[i]
print(ns)Output
Enter a sentence We arE LiVinG in A DemocraTiC CounTRY wE ARe lIvINg IN a dEMOCRAtIc cOUNtry
