Python 格式化输出_String Formatting_控制小数点位数的实例详解

firstName = 'Bob'
lastName = 'Dylan' 
print('你的名字是 '， firstName, '你的姓是'， lastName)

firstName = 'Bob'
lastName = 'Dylan' 
print('你的名字是%s, 你的姓是%s' % (firstName, lastName))

pai = 3.14159
print('%.2f' % pai)
print('%.4f' % pai)
#输出结果为3.14和3.1416

data = ("John", "Doe", 53.44)
print('Hello %s %s. Your current balance is $%s' % (data[0], data[1],data[2]))

data = ("John", "Doe", 53.44)
format_string = "Hello %s %s. Your current balance is $%s."
print(format_string % data)