# with open('a1.txt','w',encoding='utf-8')as f:
#     f.write('''老男孩是最好的学校，
# 全心全意为学生服务，
# 只为学生未来，不为牟利。
# 我说的都是真的。哈哈
# ''')
#
# with open('a1.txt',encoding='utf-8')as f:
#     t = f.read()
#     print(t)
#
# with open('a1.txt','a+',encoding='utf-8')as f:
#     f.write('信不信由你，反正我信了.')
#     f.seek(0)
#     t = f.read()
#     print(t)
#
# with open('a1.txt','w',encoding='utf-8')as f:
#     f.write('''每天坚持一点，
# 每天努力一点，
# 每天多思考一点，
# 慢慢你会发现，
# 你的进步越来越大。''')
#
# lis = []
# s = 0
# with open('a1.txt',encoding='utf-8')as f:
#     for i in f:
#         dic = {}
#         i = i.strip().split(' ')  #i=['name:apple', 'price:10', 'amount:3', 'year:2012']['name:tesla', 'price:100000', 'amount:1', 'year:2013']
#         for m in i:
#             k,v = m.split(':')
#             print(k,v)
#             dic[k] = v
#         s += int(dic['amount'])*int(dic['price'])
#         lis.append(dic)
#     print(lis,s)
#
# lis = []
# with open('a1.txt',encoding='gbk')as f:
#     t = f.readline().split()
#     for i in f.readlines():
#         dic = {}
#         i = i.split() #i = 0,['1', 'python', '30', '26', '单身狗']
#         for m in range(len(i)):
#             print(t[m],i[m])
#             dic[t[m]] = i[m]
#         lis.append(dic)
#     print(lis)