Using for i to iterate through a list

lists.py

def display(lst):
    for el in lst:
        print(el)

# display(["Hi", "Hello", "Bye"])


def display2(lst):
    for i in range(0, len(lst)):
        print(lst[i])

greets = ["Hi", "Hello", "Bye", "See you"]
# display2(greets)
# display2(["Hi", "Hello"])


def excited(lst):
    for i in range(0, len(lst)):
        lst[i] = lst[i] + "!"

# print(greets)
# excited(greets)
# print(greets)

def greetNames(greets, names):
    for i in range(0, len(greets)):
        print(greets[i] + " " + names[i] + "!")


names = ["Joshua", "Dennis", "Nisha", "Janice"]

# greetNames(greets, names)


def showHeavier(rat1, rat2):
    count = 0
    for i in range(0, len(rat1)):
        rat1w = rat1[i]
        rat2w = rat2[i]
        if (rat1w > rat2w):
            count = count + 1
    return count


rat1 = [150, 155, 143, 160, 165]
rat2 = [90, 100, 144, 160, 165]

print(showHeavier(rat1, rat2))