Answers for "change lowercase to uppercase python"

converting capital letters to lowercase and viceversa in python

s=input()
new_str=""
for i in range (len(s)):
    if s[i].isupper():
        new_str+=s[i].lower()
    elif s[i].islower():
        new_str+=s[i].upper()
    else:
        new_str+=s[i]
print(new_str)

python string to uppercase

# String to Uppercase by Matthew Johnson
myStr = "Dna"
print(myStr.upper())
#OUTPUT: "DNA"