一个小型贺卡设计及写密码信程序。要求可以录入姓名，能根据不同的选择项设计贺卡图案，或写密码信。各功能用若干个函数来实现。

分析：可以用3个较简单的函数分别实现输出分隔行，输出爱心，写密码信等功能-A small greeting card design and write a letter password procedures. Demands, which can be recorded the names of different options according to design greeting card design, or write a letter password. Each function with a number of functions to achieve. Analysis: can be used three relatively simple function of the realization of output, respectively, separated by line, the output of love, write a letter password functions