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authorGeoff Liu <cangming.liu@gmail.com>2015-04-24 13:00:40 -0600
committerGeoff Liu <cangming.liu@gmail.com>2015-04-24 13:00:40 -0600
commit8347fa0187f378ba5625f3604762371df5f1b5f4 (patch)
tree186bb621e7d7225c3d631d1fe91727d4c161f47a /python.html.markdown
parent4ee011100b8930b8fce40a234ab8de8e2e7d81df (diff)
parentc2963cdc31ea9c0cce9d5abf8b0a6d606d11b3a0 (diff)
Merge pull request #1059 from srirams6/python2-print
[python/en] Moved to default python2 print statements.
Diffstat (limited to 'python.html.markdown')
-rw-r--r--python.html.markdown42
1 files changed, 19 insertions, 23 deletions
diff --git a/python.html.markdown b/python.html.markdown
index 668e04f9..7281a330 100644
--- a/python.html.markdown
+++ b/python.html.markdown
@@ -141,12 +141,8 @@ bool("") # => False
## 2. Variables and Collections
####################################################
-# Python has a print statement, in all 2.x versions but removed from 3.
+# Python has a print statement
print "I'm Python. Nice to meet you!"
-# Python also has a print function, available in versions 2.7 and 3...
-# but for 2.7 you need to add the import (uncommented):
-# from __future__ import print_function
-print("I'm also Python! ")
# No need to declare variables before assigning to them.
some_var = 5 # Convention is to use lower_case_with_underscores
@@ -316,11 +312,11 @@ some_var = 5
# Here is an if statement. Indentation is significant in python!
# prints "some_var is smaller than 10"
if some_var > 10:
- print("some_var is totally bigger than 10.")
+ print "some_var is totally bigger than 10."
elif some_var < 10: # This elif clause is optional.
- print("some_var is smaller than 10.")
+ print "some_var is smaller than 10."
else: # This is optional too.
- print("some_var is indeed 10.")
+ print "some_var is indeed 10."
"""
@@ -332,7 +328,7 @@ prints:
"""
for animal in ["dog", "cat", "mouse"]:
# You can use % to interpolate formatted strings
- print("%s is a mammal" % animal)
+ print "%s is a mammal" % animal
"""
"range(number)" returns a list of numbers
@@ -344,7 +340,7 @@ prints:
3
"""
for i in range(4):
- print(i)
+ print i
"""
"range(lower, upper)" returns a list of numbers
@@ -356,7 +352,7 @@ prints:
7
"""
for i in range(4, 8):
- print(i)
+ print i
"""
While loops go until a condition is no longer met.
@@ -368,7 +364,7 @@ prints:
"""
x = 0
while x < 4:
- print(x)
+ print x
x += 1 # Shorthand for x = x + 1
# Handle exceptions with a try/except block
@@ -391,7 +387,7 @@ else: # Optional clause to the try/except block. Must follow all except blocks
# Use "def" to create new functions
def add(x, y):
- print("x is %s and y is %s" % (x, y))
+ print "x is %s and y is %s" % (x, y)
return x + y # Return values with a return statement
# Calling functions with parameters
@@ -420,8 +416,8 @@ keyword_args(big="foot", loch="ness") # => {"big": "foot", "loch": "ness"}
# You can do both at once, if you like
def all_the_args(*args, **kwargs):
- print(args)
- print(kwargs)
+ print args
+ print kwargs
"""
all_the_args(1, 2, a=3, b=4) prints:
(1, 2)
@@ -517,10 +513,10 @@ class Human(object):
# Instantiate a class
i = Human(name="Ian")
-print(i.say("hi")) # prints out "Ian: hi"
+print i.say("hi") # prints out "Ian: hi"
j = Human("Joel")
-print(j.say("hello")) # prints out "Joel: hello"
+print j.say("hello") # prints out "Joel: hello"
# Call our class method
i.get_species() # => "H. sapiens"
@@ -540,12 +536,12 @@ Human.grunt() # => "*grunt*"
# You can import modules
import math
-print(math.sqrt(16)) # => 4
+print math.sqrt(16) # => 4
# You can get specific functions from a module
from math import ceil, floor
-print(ceil(3.7)) # => 4.0
-print(floor(3.7)) # => 3.0
+print ceil(3.7) # => 4.0
+print floor(3.7) # => 3.0
# You can import all functions from a module.
# Warning: this is not recommended
@@ -591,7 +587,7 @@ xrange_ = xrange(1, 900000000)
# will double all numbers until a result >=30 found
for i in double_numbers(xrange_):
- print(i)
+ print i
if i >= 30:
break
@@ -620,8 +616,8 @@ def say(say_please=False):
return msg, say_please
-print(say()) # Can you buy me a beer?
-print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
+print say() # Can you buy me a beer?
+print say(say_please=True) # Can you buy me a beer? Please! I am poor :(
```
## Ready For More?