Python note two Python statement

1.for statement:

Script instance:

#!/usr/bin/python

For I in Range (1,15):

Print I

Else

print ' The loop is done! '

2.while/if statement:

Script instance:

#!/usr/bin/env python

#FileName: while1.py

running = True

A = 20

b = Int (raw_input (' Enter A number B: '))

While running:

If a = = B:

print ' Good,your number is Ture!! '

running = False #状态为False则终止循环

Else

print ' Bad,pleas Try again! '

print ' Done '

3.break statement:

Script instance:

#!/usr/bin/env python

#FileName: while1.py

running = True

A = 20

b = Int (raw_input (' Enter A number B: '))

While running:

If a = = B:

print ' Good,your number is Ture!! '

Break #终止循环

Else

print ' Bad,pleas Try again! '

print ' Done '

4.continue statement:

Script instance:

#!/usr/bin/python

#FileName: continue.py

While True:

A = Int (raw_input (' Enter A Number: '))

if A = = 23:

Print "The number is%s!"% A

Break

If A! = 23:

Print "Please continue enter number."

Continue #符合该条件则继续循环

print "Done"

Python note two Python statement