For Each Index

names = ["emma", "liam", "aisha", "mateo", "sofia", "ravi"]

for name in names:
    print(f"Hello, {name}!")

for i in range(len(names)):
    name = names[i]
    # replace element at index i
    names[i] = name.capitalize()

for name in names:
    name = name.upper()

prices = [19.99, 6.34, 1.00, 12.79, 2.50]