파이썬은 사전을 통해 반복
a_dict = {'apple':'red', 'grass':'green', 'sky':'blue'}
for key in a_dict:
print key # for the keys
print a_dict[key] # for the values
사전을 통해 반복
#iterate the dict by keys
for key in a_dict:
print(key)
#iterate the dict by items - (key,value)
for item in a_dict.items():
print(item)
#iterate the dict by values
for value in a_dict.values():
print(value)