class student(object):
def __init__(self,name,age):
self.dict1 = {'name':name, 'age': age}
f = open('x.txt','w+')
f.write(str(self.dict1)+'\n')
f.close()
def increase(self,key,value):
self.dict1[key] = value
f = open('x.txt', 'w+')
f.write(str(self.dict1)+'\n')
f.close()
def delete(self,key):
del self.dict1[key]
f = open('x.txt', 'w+')
f.write(str(self.dict1)+'\n')
f.close()
def check(self,key,value):
self.dict1[key] = value
f = open('x.txt', 'w+')
f.write(str(self.dict1)+'\n')
f.close()