3.4 String Operations

• String Case Convertion

String Case Convertion

• Uppercase: Convert to uppercase using .upper() in Python, .toUpperCase() in JS
• Lowercase: Convert to lowercase using .lower() in Python, .toLowerCase() in JS

print("hello".upper())
print("HELLO".lower())

HELLO
hello

%%js
console.log("hello".toUpperCase());
console.log("HELLO".toLowerCase());

<IPython.core.display.Javascript object>

• Use Case: Useful for standardizing text inputs, like making email addresses case-insensitive