Question

How to convert a string lowercase characters to uppercase and uppercase to lowercase with Python

Answer 1

def flip_characters(s) : 
    length = len(s) 
    s = list(s)

    for i in range(length) : 
        if (ord(s[i]) >= 65 and ord(s[i]) <= 90) : 
            s[i] = chr(ord(s[i]) + 32)
        else :
            if (ord(s[i]) >= 97 and ord(s[i]) <= 122) : 
                s[i] = chr(ord(s[i]) - 32)
   
    return "".join(s)
 
 
 
s = "pyThon PROGrAMMINg"
       
s = flip_characters(s);

print(s) 
 
 
 
'''
run:
 
PYtHON progRamminG
 
'''

 

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