空字典
abc = {}
增加鍵-值
abc['color'] = 'green'
abc['fruit'] = 'apple'
abc = {'color': 'green' , 'fruit': 'apple'}
走訪所有鍵-值
for key, value in abc.items():
走訪所有鍵
for name in abc.keys():
print(name.title() )
按順序
for name in sorted(abc.keys() ):
走訪所有值
for name in abc.values():
print(name.title() )
刪除重複
for name in set(abc.values() ):
