uppercase to lowercase in python

python program to get a String and convert the upper case characters tolower case Characters

Sample Input 1 :

Hello

Sample Output 1 :

hello

Program or Solution

				
			
					
s=input("Enter a String:")
result=""
for i in range(0,len(s)):
    ascii_val = ord(s[i])
    if(ascii_val>64 and ascii_val<91):
        result+=chr(ascii_val+32)
    else:
        result+=chr(ascii_val)
s=result
print(s)

			
				
			

Program Explanation

unicode / ascii_val of lower case alphabets are from 97 to 122 unicode / ascii_val of upper case alphabets are from 65 to 90 so the difference between lower case and uppercase alphabets is 32.

use ord() method to find ascii_val of a character.

Use chr() method to find character of ascii value Note: String is immutable, so you cannot modify a character directly in a orginal string.

Comments

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