> python Python 2.3.3 (#1, Jan 29 2004, 22:55:13) [GCC 3.3.3 [FreeBSD] 20031106] on freebsd5 Type "help", "copyright", "credits" or "license" for more information. >>>At the >>> prompt you can enter Python code.
>>> 2+3 5 >>> 4+6*8 52 >>> abs(-4) 4 >>> help(abs) Help on built-in function abs: abs(...) abs(number) -> number Return the absolute value of the argument. >>> 89**34 1902217732808760980190430983601716818363305103120555045416541165041L >>> print 89**34 1902217732808760980190430983601716818363305103120555045416541165041 >>> "What... is the air-speed velocity of an unladen swallow?" 'What... is the air-speed velocity of an unladen swallow?' >>> print "What do you mean? An African or European swallow?" What do you mean? An African or European swallow? >>>
>>> import math >>> help(math) Help on module math: NAME math FILE /usr/local/lib/python2.3/lib-dynload/math.so DESCRIPTION This module is always available. It provides access to the mathematical functions defined by the C standard. FUNCTIONS acos(...) acos(x) Return the arc cosine (measured in radians) of x. asin(...) asin(x) Return the arc sine (measured in radians) of x. [... rest of the output removed ...] >>> math.pi 3.1415926535897931 >>> math.sin(math.pi/2.0) 1.0 >>>
>>> import datetime >>> now = datetime.datetime.now() >>> now datetime.datetime(2004, 2, 2, 19, 23, 28, 809434) >>> print now 2004-02-02 19:23:28.809434 >>> print "Now is", now.strftime("%d-%m-%Y"), "at", now.strftime("%H:%M") Now is 02-02-2004 at 19:23 >>>The notation name1.name2 is called an attribute lookup. In this case, name2 is an attribute of name1 and has some value.
>>> now.day 2 >>> now.year 2004 >>> now.hour 19 >>>
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