2019-04-16:找出s=”aabbccddxxxxffff”中，出现次数最多的字母

#encoding=utf-8
"""
找出s=”aabbccddxxxxffff”中，出现次数最多的字母
"""
#方法1有缺陷：最大数相同的，只能你输出最后一个
#自定义一个最大数数，然后统计每个字母出现的次数，和最大数字对比
def find_Most_Occurrence_Letter(s):
    most_occurrence_num=0
    target_Letters=""
    for i in s:
        if s.count(i)>=most_occurrence_num:
            most_occurrence_num=s.count(i)
            target_Letters=i
    return target_Letters,most_occurrence_num
s="aabbccddxxxxffff"
print(find_Most_Occurrence_Letter(s))




#方法2：用字典保存字母和对应的重复个数，找出最大值然后从字典中输出
def find_Most_Occurrence_Letter1(s):
    target_dict={}
    for i in s:
        target_dict[i]=s.count(i)
    max_Letter=max(target_dict.values())

    for k,v in target_dict.items():
        if max_Letter==v:
            print(k)
s="aabbccddxxxxffff"
print(find_Most_Occurrence_Letter1(s))