“笨办法学python”学习笔记-习题5

1. 部分Python格式化字符介绍
   %% 百分号标记 #就是输出一个%
   %c 字符及其ASCII码
   %s 字符串
   %d 有符号整数(十进制)
   %u 无符号整数(十进制)
   %o 无符号整数(八进制)
   %x 无符号整数(十六进制)
   %X 无符号整数(十六进制大写字符)
   %e 浮点数字(科学计数法)
   %E 浮点数字(科学计数法，用E代替e)
   %f 浮点数字(用小数点符号)
   %g 浮点数字(根据值的大小采用%e或%f)
   %G 浮点数字(类似于%g)
   %p 指针(用十六进制打印值的内存地址)
   %n 存储输出字符的数量放进参数列表的下一个变量中

2. 使用变量将英寸和磅转换成厘米和千克

   my_name = ‘Zed A. Shaw’
   my_age = 35 # not a lie
   my_height = 74 # inches
   my_weight = 180 # lbs
   my_eyes = ‘Blue’
   my_teeth = ‘White’
   my_hair = ‘Brown’
   my_height_cm = my_height * 2.54
   my_weight_kg = my_weight * 0.4536

print “Let’s talk about %s.” % my_name
print “He’s %d cm tall.” % my_height_cm
print “He’s %d kg heavy.” % my_weight_kg
print “Actually that’s not too heavy.”
print “He’s got %s eyes and %s hair.” % (my_eyes, my_hair)
print “His teeth are usually %s depending on the coffee.” % my_teeth

this line is tricky, try to get it exactly right

print “If I add %d, %d, and %d I get %d.” % (
my_age, my_height, my_weight, my_age + my_height + my_weight)