.

    









with open('filename') as file:
    ...process file...
    
assert test, message

raise Exc

---

file = open('filename')
try:
    ...process file...
finally:
    file.close()

---

xxx()
yyy()

---

try:
    xxx()
except:
    pass
yyy()
...

----

def func(): ...

try:
    func()
except:
    ....