Python-100-Days/Day01-15/code/Day07/dict2.py

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()