集合映射

# coding=utf-8
"""
有两个集合
one = [ 'a1', 'a2', 'a3', 'b1', 'c1', 'c2', 'f1', 'j1']
two = ['A1', 'A2', 'B1', 'B2', 'C1', 'E1']
首字母映射，输出如下结果：
a1, a2, a3 --- A1, A2
b1 --- B1, B2
c1, c2 --- C1
"""


def test():
    one = ['a1', 'a2', 'a3', 'b1', 'c1', 'c2', 'f1', 'j1']
    two = ['A1', 'A2', 'B1', 'B2', 'C1', 'E1']
    one_0 = []
    two_0 = []
    for i in range(0, len(one)-1):
        if one[i+1][0] == one[i][0]:
            one_0.append(one[i])
        else:
            one_0.append(one[i])
            for j in range(0, len(two)-1):
                if two[j + 1][0] == two[j][0]:
                    two_0.append(two[j])
                else:
                    two_0.append(two[j])
                    if one[i][0].upper() == two[j][0]:
                        print ", ".join(one_0) + " --- " + ", ".join(two_0)
                    two_0 = []
            one_0 = []

if __name__ == '__main__':
    test()