Python----字典的循环遍历

遍历字典的key

dict1 = {'name': '张三', 'age': 20, 'gender': '男'}
for key in dict1.keys():
   print(key)
# name
# age
# gender

遍历字典的value

dict1 = {'name': '张三', 'age': 20, 'gender': '男'}
for value in dict1.values():
   print(value)
# 张三
# 20
# 男

遍历字典的元素

dict1 = {'name': '张三', 'age': 20, 'gender': '男'}
for data in dict1.items():
   print(data)
   
# ('name', '张三')
# ('age', 20)
# ('gender', '男')

输出成绩不合格的同学

 

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