1.raw_input
guess = int(raw_input('Enter an integer : '))
2.while loop
while running:
guess = int(raw_input('Enter an integer : '))
if guess == number:
running=False
print 'Congratulations, you guessed it.' # New block starts here
print "(but you do not win any prizes!)" # New block ends here
elif guess < number:
print 'No, it is a little higher than that' # Another block
# You can do whatever you want in a block ...
else:
print 'No, it is a little lower than that'
# you must have guess > number to reach here
else:
print 'Done'
3.for loop
for i in range(1,5,2):
print i
else:
print "the loop is over"
the default step for range is "1"
4.break the loop
for i in range(1,5,2):
print i
if i==1:
break
else:
print "the loop is over"
5.len
len(s) print the lenth of the string s
6.python function
def sayhello():
print "hello python"
sayhello()
7.global var
def printMax(a,b):
global x
x=100
if a>b:
print a,"is maximum"
else:
print b,"is maximum"
x=5
y=6
printMax(x,y)
print x
8.default arg
def printMax(a,b=1010):
global x
x=100
if a>b:
print a,"is maximum"
else:
print b,"is maximum"
x=5
printMax(10)
print x
we do not need care about the sequence
9.
#!/bin/python
if __name__ == '__main__':
print 'this is being run by himself'
else:
print 'I am being run by others'
$ python using_name.py
This program is being run by itself
$ python
>>> import using_name
I am being imported from another module
>>>
10.import
#!/bin/python
def sayhi():
print 'hi,this is my module'
version = '0.1'
#!/bin/python import mymodule mymodule.sayhi() print 'version',mymodule.version
11.from......import