t1 == t2
t1 is t2
############ Writing Modules #################
def linecount(filename):
count = 0
for line in open(filename):
count += 1
return count
print(linecount('Classwork/Session 13/Exercises/wc.py'))
#any file contains python can be imported as a module
#this program reads itself and prints the number of lines in a file which is 7
import wc
print(wc)
wc.linecount('Classwork/Session 13/Exercises/wc.py')
if __name__ == '__main__':
print(linecount('Classwork/Session 13/Exercises/wc.py'))
# __name__ = built in variable that is set when the program starts and has the value
#__main__ ; the test code runs otherwise if module is being imported, the test code
#is skipped.
import wc
print(wc)
print(wc.linecount('example3.py'))
#### section 14.7
# import pickle
# t1=[1,2,3]
# s=pickle.dumps(t1)
# t2=pickle.loads(s)
# print(pickle.dumps(t1))
# print(t2)
# print(t1==t2)
# print(t1 is t2)
#### train 14.3 -> skip
#### section 14.8
# skip
#### train 14.4 -> skip
#### section 14.9
import wc
print(wc.linecount('wc.py'))
#### train 14.5 -> skip
#### section 14.10
# nothing
#### section 14.11
# nothing
#### section 14.12
#### train 14.5(typo 14.6?) -> skip
import wc
print wc.linecount('wc.py')
import os
import wc
import hashlib
'''
cmd = 'ls -1'
fp = os.popen(cmd)
res = fp.read()
stat = fp.close()
print(stat)
'''
filename = 'output.txt'
cmd = 'md5sum ' + filename
fp = os.popen(cmd)
res = fp.read()
stat = fp.close()
print(res)
print(stat)
print('hello')
wc.linecount('chap_14_8.py')
cmd = 'md5sum ' + to_chk_md5
print(cmd)
fp = os.popen(cmd)
res = fp.read()
stat = fp.close()
print(res)
print(stat)
#/// WRITING MODULES
print('\n\n/////WRITING MODULES/////\n')
import wc
print(wc)
print(__name__)
print(wc.linecount('ian_notes_files.py'))
#/// DEBUGGING
print('\n\n/////DEBUGGING/////\n')
#finding whitespaces for debugging
s = '1 2\t 3\n 4'
print(s)
print(repr(s))
cmd = 'dir'
fp = os.popen(cmd)
res = fp.read()
print(res)
stat = fp.close()
print(stat)
def open_zip(filename):
cmd = 'gunzip -c ' + filename
fp = os.popen(cmd)
return fp
print(wc)
print(wc.linecount('output.txt'))
print(__name__)
print(wc.__name__)
s = '1 2\t 3\n 4'
print(s)
print(repr(s))
e = []
fin = open('output.txt')
for line in fin:
words = line.strip()
w = words.split()
print(w)
import matplotlib.pyplot as plt2
import matplotlib.pyplot as plt3
plt1.hist(coluna1,1,'red')
plt1.xlabel("Idade(anos)")
plt1.ylabel("Frequencia")
plt1.show()
plt2.hist(coluna2,0.05,'red')
plt2.xlabel("Altura(m)")
plt2.ylabel("Frequencia")
plt2.show()
plt3.hist(coluna3,2,'red')
plt3.xlabel("Peso(kg)")
plt3.ylabel("Frequencia")
plt3.show()
'''
print("Exercicio 2")
import os
for root, dirs, files in os.walk(".", topdown=False):
for name in files:
print(os.path.join(root, name))
for name in dirs:
print(os.path.join(root, name))
print("Exercicio 3")
import wc
wc.linecount('dados_alunos.txt')
t is t2
## writing modules
# wc.py
def linecount(filename):
count = 0
for line in open(filename):
count += 1
return count
import wc
print(wc)
wc.linecount('wc.py')
## delimiated file
# tab delimited
import csv
def process(date, symbol, price):
print(date, symbol, price)
with open(
'D:/Dropbox/�곗씠�� 諛깆뾽/Lecture/2018�� 1�숆린 怨좉툒�듦퀎�꾨줈洹몃옒諛�/肄붾뱶/tab_delimited_stock_prices.txt',
'r',
encoding='utf8',
import wc
from wc import __name__
print(__name__)
print(wc.linecount('escrevendo módulos.py'))
fout.write(path)
else:
walk(path)
#walk ("/home/aadhith/Python")
#Handling an exception with a try statement is called catching an exception
try:
fin = open('bad_file')
except:
print('Something went wrong.')
#pipes concept not clear
"""cmd = "ls -l"
fp = os.popen (cmd)
print (fp) #this is an object
res = fp.read (fp)
print (res)"""
#def linecount (filename):
""" count = 0
for line in open (filename):
count += 1
return count
print (linecount ("wc.py"))"""
import wc
print(wc.linecount("wc.py"))
# for filename in files:
# print(os.path.join(root, filename))
# try:
# fin = open('bad_file')
# except:
# print('Something went wrong.')
# # The pickle module can translate almost any type of object into a string
# # suitable for storage in a database, and then translates strings back into objects.
# import pickle
# t = [1, 2, 3]
# print(pickle.dumps(t))
# with open('session14/saved.p','wb') as p:
# pickle.dump(t, p)
# t1 = [1, 2, 3]
# s = pickle.dumps(t1)
# t2 = pickle.loads(s)
# print(t2)
# print(t1 == t2)
# print(t1 is t2)
import wc
print(wc)
print(wc.linecount('session14/result.txt'))
for line in fin:
line = line.replace(pattern, replacestr)
fout.write(line)
fin.close()
fout.close()
except:
print "Something went wrong"
# sed('gif', 'pdf', 'chap14in.txt', 'chap14out.txt')
cmdCopy = 'cp book0.txt /Users/Steven/Desktop'
fp = subprocess.call(cmdCopy, shell=True)
cmdRemove = 'rm /Users/Steven/Desktop/book0.txt'
fp = subprocess.call(cmdRemove, shell=True)
print wc
print wc.linecount('chapter14.py'), 'lines'
# conn = urllib.urlopen('http://thinkpython.com/secret.html')
conn = urllib.urlopen('https://docs.python.org/2/library/urllib.html')
fout = open('parsedoutput.txt', 'w')
for line in conn:
line = line.strip(string.punctuation+string.whitespace)
# if 'Example:' in line:
fout.write(line)
fout.write("\n")
fout.close()
