例如：print(“Hello, {}”.format(“World”))
例如：print(“{1}, {0}”.format(“World”, “Hello”))
例如：print(“The result is {:.2f}”.format(3.14159))
例如：print(“Today is {:%Y-%m-%d}”.format(datetime.datetime.now()))
例如：print(“{:<10} {:>10}”.format(“left”, “right”))
例如：info = {“name”: “Alice”, “age”: 30} print(“Name: {name}, Age: {age}”.format(**info))
