Python enumerate函数用法

enumerate(iterable, start=0)

fruits = ['apple', 'orange', 'banana', 'grape']

for index, fruit in enumerate(fruits):
    print(f'Index: {index}, Fruit: {fruit}')

Index: 0, Fruit: apple
Index: 1, Fruit: orange
Index: 2, Fruit: banana
Index: 3, Fruit: grape

colors = ['red', 'green', 'blue']

for index, color in enumerate(colors, start=1):
    print(f'Index: {index}, Color: {color}')

Index: 1, Color: red
Index: 2, Color: green
Index: 3, Color: blue

string = 'Python'

for index, char in enumerate(string):
    print(f'Index: {index}, Character: {char}')

Index: 0, Character: P
Index: 1, Character: y
Index: 2, Character: t
Index: 3, Character: h
Index: 4, Character: o
Index: 5, Character: n