1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
f = open("data/file1")
print(f.read(5))
print(f.readline())
print(f.read())
f = open("data/file1")
print(f.readlines())
f = open("data/file1", "r")
print(f.readlines())
f = open("data/file1", "rb")
print(f.readlines())
f = open("data/file1", mode="r")
print(f.readlines())
f = open("data/file1", mode="rb")
print(f.readlines())
# write() error
f = open("data/file1", "r")
try:
f.write("x")
except OSError:
print("OSError")
f.close()
# read(n) error on binary file
f = open("data/file1", "ab")
try:
f.read(1)
except OSError:
print("OSError")
f.close()
# read(n) error on text file
f = open("data/file1", "at")
try:
f.read(1)
except OSError:
print("OSError")
f.close()
# read() w/o args error
f = open("data/file1", "ab")
try:
f.read()
except OSError:
print("OSError")
f.close()
# close() on a closed file
f.close()
|
