Python|笨方法学Python学习笔记1

老早就开始学Python,现在分享一下学习代码。

前几节就是简单的输入输出练习，权当是熟悉一门新语言2333

ex1.py

#print "Hello World!"
print "Hello Again"
print "I like typing this."
print "This is fun."
print '\n'
print 'Yay!Printing.'
print "I'd much rather you'not'."
print 'I "said" do not touch this.'
print '\n'

ex3.py

print "I will now count my chickens:"

print "Hens", 25 + 30 / 6
print "Roosters", 100 - 25 * 3 % 4

print "Now I will count the eggs:"

print 3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6

print "Is it true that 3 + 2 < 5 - 7?"

print 3 + 2 < 5 - 7

print "What is 3 + 2?",3 + 2
print "What is 5 - 7?",5 - 7

print "Oh, that's why it's False."

print "How about some more."

print "Is it greater?",5 > -2
print "Is it greater or equal?",5 >= -2
print "Is it less or equal?",5 <= -2

ex4.py

cars = 100
space_in_a_car = 4.0
drivers = 30
passengers = 90
cars_not_driven = cars - drivers
cars_driven = drivers
carpool_capacity = cars_driven * space_in_a_car
average_passengers_per_car = passengers / cars_driven


print "There are", cars, "cars available."
print "There are only",drivers,"drivers available."
print "There will be",cars_not_driven,"empty cars today."
print "We can transport",carpool_capacity,"people today."
print "We have",passengers,"to carpool today."
print "We need to put about",average_passengers_per_car,"in each car"

ex5.py

# -*- coding: cp936 -*-
my_name = 'Hanxy Robin'
my_age = 19
my_height = 183
my_weight = 62
my_eyes = 'Black'
my_teeth = 'White'
my_hair = 'Black'

print "Let's talk about %s." %my_name
print "He's %d cm tall." %my_height
print "He's %d kg heavey." %my_weight
print "He,s got %s eyes and %s hair." %(my_eyes , my_hair)

print "%s" %my_eyes+my_hair

ex6.py

x = "There are %d types of people." % 10

binary = "binary"

do_not = "don't"

y = "Those who know %r and those who %s." %(binary,do_not)

print x
print y

print "I said :%r." %x
print "I also said : %s." %y

hilarious = False
joke_evaluation = "Isn't that joke so funny?! %r"

print joke_evaluation %hilarious

w = "This is the left side of..."
e = "a string with a right side."

print w + e

ex7.py

print "Mary had a little lamb.",
print "Its fleece was white as %s." %'snow'
print "And everywhere that Mary went."
print "." * 10

end1 = "C"
end2 = "h"
end3 = "e"
end4 = "e"
end5 = "s"
end6 = "e"
end7 = "B"
end8 = "u"
end9 = "r"
end10 = "g"
end11 = "e"
end12 = "r"

print end1 + end2 + end3 + end4 + end5 + end6 ,
print end7 + end8 + end9 + end10 + end11 + end12

ex8.py

formatter = "%s %r %r %r"

print formatter %(1, 2, 3, 4)
print formatter %("one", "two",  "three" , "four")
print formatter %(True, False, False, True)
print formatter %(formatter, formatter, formatter, formatter)
print formatter %(
    "I had this thing.",
    "That you could type up right.",
    "But it did't sing.",
    'So I said goodnight.'
    )

ex9.py

days = "Mon Tue Wed Thu Fri Sat Sun"
months = "\nJan\nFeb\nMar\nApr\nMay\nJun\nJul\nAug"

print "Here are the days: ", days
print "Here are the months: ", months

print """
There's something going on here.
With the three double-quotes.
We'll be able to type as much as we like.
Even 4 lines if we want, or 5,or 6.
"""

ex10.py

tabby_cat = "\tI'm tabbed in."
persian_cat = "I'm split\non a line."
backslash_cat = "I'm \\ a \\ cat."

fat_cat = """
I'll do a list:
\t* Cat food
\t* Fishies
\t* Catnip\n\t* Grass
"""

print tabby_cat
print persian_cat
print backslash_cat
print fat_cat

while True:
    for i in ["*","^","_","^","*"]:
        print "%s\r" %i,