在Python中将数字格式化为字符串

number = 123
number_str = str(number)
print(number_str)  # 输出：'123'

number = 123
number_str = format(number, 'd')
print(number_str)  # 输出：'123'

number_str = f'{number}'
print(number_str)  # 输出：'123'