32 lines
544 B
Python
32 lines
544 B
Python
|
"""
|
||
|
|
字典的常用操作
|
||
|
|
|
||
|
|
Version: 0.1
|
||
|
|
Author: 骆昊
|
||
|
|
Date: 2018-03-06
|
||
|
|
"""
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
stu = {'name': '骆昊', 'age': 38, 'gender': True}
|
||
|
|
print(stu)
|
||
|
|
print(stu.keys())
|
||
|
|
print(stu.values())
|
||
|
|
print(stu.items())
|
||
|
|
for elem in stu.items():
|
||
|
|
print(elem)
|
||
|
|
print(elem[0], elem[1])
|
||
|
|
if 'age' in stu:
|
||
|
|
stu['age'] = 20
|
||
|
|
print(stu)
|
||
|
|
stu.setdefault('score', 60)
|
||
|
|
print(stu)
|
||
|
|
stu.setdefault('score', 100)
|
||
|
|
print(stu)
|
||
|
|
stu['score'] = 100
|
||
|
|
print(stu)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|