Python学习笔记（十一）

# coding:utf-8
str_1 = input("Enter a string:")
str_2 = input("Enter another string:")

print("str_1 is: " + str_1 + "str_2 is: " + str_2)
print("str_1 is {} + str_2 is {}".format(str_1, str_2))

#文件的输入输出
some_sentences = '''\
I love learning python
because python is fun
and also easy to use
'''
f = open('setences.txt','w')
f.write(some_sentences)
f.close

f = open('setences.txt')
while True:
line = f.readline()
if len(line) == 0:
break
print(line)
f.close