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Untitled (1).py

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+#!/usr/bin/env python
+# coding: utf-8
+
+# # File Handling using Python
+
+# In[1]:
+
+
+# open(filename, mode)
+
+# r - reading
+# w - writing
+# a - appending
+
+
+# In[7]:
+
+
+file = open('social.txt', 'r')
+data = file.read()
+
+# if for
+
+file.close()
+
+print(file.closed)  
+
+
+# In[11]:
+
+
+# context manager
+
+with open('social.txt', 'r') as file:
+    data = file.read()
+
+print(file.closed)
+
+
+# In[15]:
+
+
+with open('something.txt', 'a') as file:
+    file.write('MMCOE - yethe bahutanche hith!')
+
+
+# In[18]:
+
+
+with open('social.txt', 'r') as fd:
+    data = fd.read(6)   # how many bytes or characters you have to read
+
+print(data)
+
+
+# In[21]:
+
+
+import os
+
+print(os.getcwd())
+
+
+# In[22]:
+
+
+print('Original Directory:', os.getcwd())
+os.chdir('/home/omkarpathak/Documents/Notebooks')
+print('Current Directory:', os.getcwd())
+
+
+# In[24]:
+
+
+print(os.listdir())
+
+
+# In[30]:
+
+
+files = []
+
+files = os.listdir()
+
+# os.path.isfile(filename) # return True is it is a file, else it returns False
+
+for file in files: 
+    if os.path.isfile(os.path.abspath(file)):
+        print('File:', file)
+
+for file in files: 
+    if os.path.isdir(os.path.abspath(file)):
+        print('Dir:', file)
+
+
+# In[68]:
+
+
+os.chdir('/home/omkarpathak/Documents/PythonLecture/Naruto/Directory0')
+
+for i in range(10):
+    os.mkdir('Directory' + str(i) + str(i))   # creating a folder
+    os.chdir('Directory' + str(i) + str(i))   # Directory0 -> Directory1
+    with open('something.txt', 'w') as file:
+        file.write('Text')
+    os.chdir('/home/omkarpathak/Documents/PythonLecture/Naruto/Directory0')
+
+
+# In[47]:
+
+
+os.chdir('/home/omkarpathak/Documents/PythonLecture/')
+
+
+# In[44]:
+
+
+mylist = ['omkar', 1, 3, 4.0]
+print(mylist)
+
+
+# In[53]:
+
+
+word_to_check = 'hilarious'
+
+with open('social.txt', 'r') as file:
+    data = file.read()
+
+for line in data.split('\n'):
+    if word_to_check in line:
+        print('True')
+        print(line)
+
+print(len(data.split('\n')))
+
+
+# In[72]:
+
+
+os.chdir('/home/omkarpathak/Documents/PythonLecture')
+with open('social.txt', 'r') as file:
+    data = file.read()
+
+char = 'M'
+# print(data.lower())
+print(data.lower().count(char.lower()))
+
+
+# In[60]:
+
+
+with open('social.txt', 'r') as file:
+    data = file.read()
+
+char = input('Enter a character of your choice:')
+
+print(data.lower().count(char))
+
+
+# In[76]:
+
+
+string = 'My namename is Omkar'
+print(string.count('name'))   # fuzzy search 
+
+
+# In[ ]:
+
+
+import numpy
+import scipy
+import matplotlib
+