python string find
The find() method returns the index of first occurrence of the substring
(if found). If not found, it returns -1.
message = 'Python is a fun programming language'
# check the index of 'fun'
print(message.find('fun'))
# Output: 12python string upper method
str1 = "HeLlO_wOrLd!"
str1.upper()
Output: 'HELLO_WORLD!'Copyright © 2021 Codeinu
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