techsoft29 · June 13, 2022 01:07 · Sep 21, 2021 · Sep 14, 2021 · Sep 14, 2021 · Sep 14, 2021
diff --git a/python_cheat_sheet.txt b/python_cheat_sheet.txt
@@ -4112,4 +4112,12 @@ def is_tool(name):
     # from whichcraft import which
     from shutil import which
 
-    return which(name) is not None
+    return which(name) is not None
+
+//
+% modulo operator
+a = 9
+b = 3
+answer = a % b
+
+print(answer)
diff --git a/MIni exercises b/MIni exercises
@@ -1,39 +0,0 @@
-# Exercises extracted from :
-# https://github.com/zhiwehu/Python-programming-exercises/blob/master/100%2B%20Python%20challenging%20programming%20exercises%20for%20Python%203.md
-
-# print the intersection of the 2 lists
-set1=set([1,3,6,78,35,55])
-set2=set([12,24,35,24,88,120,155])
-set1 &= set2
-li=list(set1)
-print(li)
-
-# write assert statements to verify that every number in the list [2,4,6,8] is even.
-li = [2,4,6,8]
-for i in li:
-    assert i%2==0
-
-# Use u'strings' format to define unicode string.
-unicodeString = u"hello world!"
-print(unicodeString)
-
-# 
-Assuming that we have some email addresses in the "[email protected]" format, 
-please write program to print the user name of a given email address. Both user names 
-and company names are composed of letters only.
-
-Example: If the following email address is given as input to the program:
-[email protected]
-
-Then, the output of the program should be:
-john
-In case of input data being supplied to the question, it should be assumed to be a console input.
-
-Hints:
-Use \w to match letters.
-
-import re
-emailAddress = raw_input()
-pat2 = "(\w+)@((\w+\.)+(com))"
-r2 = re.match(pat2,emailAddress)
-print(r2.group(1))

diff --git a/more_tricks.py b/more_tricks.py
@@ -1,7 +0,0 @@
-# get creation and last modification time of a file or directory
-import os.path, time
-print("Last modified: %s" % time.ctime(os.path.getmtime("test.py")))
-print("Created: %s" % time.ctime(os.path.getctime("test.py")))
-
-# how to make a function to return multiple values, Read article on:
-https://note.nkmk.me/en/python-function-return-multiple-values/

diff --git a/cheat_sheet2.txt b/cheat_sheet2.txt
@@ -1,14 +0,0 @@
-## Pickle to serialize an object (for example a dictionary):
-
-# Dump first:
-import pickle
-
-example_dict = {1:"6",2:"2",3:"f"}
-
-pickle_out = open("dict.pickle","wb")
-pickle.dump(example_dict, pickle_out)
-pickle_out.close()
-
-#Now, you can load:
-pickle_in = open("dict.pickle","rb")
-example_dict = pickle.load(pickle_in)

diff --git a/hackerranck_practice.py b/hackerranck_practice.py
@@ -1,5 +0,0 @@
-# Integer division
-a = 1
-b = 2
-int_div  = a // b
-print(int_div) # will print 0

diff --git a/more_tricks.py b/more_tricks.py
@@ -5,10 +5,3 @@
 
 # how to make a function to return multiple values, Read article on:
 https://note.nkmk.me/en/python-function-return-multiple-values/
-
-# enter an int from command line
-size = int(input())
-
-# enter a list of numbers from command line
-numbers = list(map(int, input().split()))
-print(numbers)
diff --git a/MIni exercises b/MIni exercises
@@ -1,24 +1,13 @@
 # Exercises extracted from :
 # https://github.com/zhiwehu/Python-programming-exercises/blob/master/100%2B%20Python%20challenging%20programming%20exercises%20for%20Python%203.md
 
-# iterate a list in the reverse order:
-$ s=['a','b','c','d']
-$ s = s[::-1]
-$ print(s)
-['d', 'c', 'b', 'a']
-
 # print the intersection of the 2 lists
 set1=set([1,3,6,78,35,55])
 set2=set([12,24,35,24,88,120,155])
 set1 &= set2
 li=list(set1)
 print(li)
 
-# list comprehension for removing a certain element of a list
-li = [12,24,35,24,88,120,155]
-li = [x for x in li if x!=24]
-print(li)
-
 # write assert statements to verify that every number in the list [2,4,6,8] is even.
 li = [2,4,6,8]
 for i in li:

diff --git a/python_cheat_sheet.txt b/python_cheat_sheet.txt
@@ -2540,6 +2540,12 @@ assert not isinstance(lst, str)
 #In Python2
 assert not isinstance(lst, basestring)
 //
+# Check if something is either a float or int
+a='s'
+
+if not isinstance(a, (int, float)):
+    print("a is either int or float")
+//
 #checking if something is a list:
 if not isinstance(objs,list):
        print "h"

diff --git a/which_equivalent.py b/which_equivalent.py
@@ -0,0 +1,17 @@
+# Python program to explain shutil.which() method 
+# check if python is in PATH
+
+# importing os module 
+import os 
+
+# importing shutil module 
+import shutil 
+
+# cmd 
+cmd = 'python'
+
+# Using shutil.which() method
+locate = shutil.which(cmd)
+
+# Print result
+print(locate) # outputs: /usr/bin/python
diff --git a/python_cheat_sheet.txt b/python_cheat_sheet.txt
@@ -226,52 +226,6 @@ Find Key, Values Pairs In Common
 # Find countries where the amount of exports matches the amount of imports
 importers.items() & exporters.items()
 {('Spain', 252)}
-//
-#OrderedDict
-An OrderedDict is a dictionary subclass that remembers the order in which its contents are added.
-
-import collections
-
-print 'Regular dictionary:'
-d = {}
-d['a'] = 'A'
-d['b'] = 'B'
-d['c'] = 'C'
-d['d'] = 'D'
-d['e'] = 'E'
-
-for k, v in d.items():
-    print k, v
-
-print '\nOrderedDict:'
-d = collections.OrderedDict()
-d['a'] = 'A'
-d['b'] = 'B'
-d['c'] = 'C'
-d['d'] = 'D'
-d['e'] = 'E'
-
-for k, v in d.items():
-    print k, v
-
-A regular dict does not track the insertion order, and iterating over it produces the values in an arbitrary order. In an OrderedDict, by contrast, 
-the order the items are inserted is remembered and used when creating an iterator.
-$ python collections_ordereddict_iter.py
-
-Regular dictionary:
-a A
-c C
-b B
-e E
-d D
-
-OrderedDict:
-a A
-b B
-c C
-d D
-e E
-
 //
 # Merge 2 dictionaries (dicts)
 >>> x = {'a': 1, 'b': 2}

diff --git a/hackerranck_practice.py b/hackerranck_practice.py
@@ -0,0 +1,5 @@
+# Integer division
+a = 1
+b = 2
+int_div  = a // b
+print(int_div) # will print 0
diff --git a/more_tricks.py b/more_tricks.py
@@ -4,4 +4,11 @@
 print("Created: %s" % time.ctime(os.path.getctime("test.py")))
 
 # how to make a function to return multiple values, Read article on:
-https://note.nkmk.me/en/python-function-return-multiple-values/
+https://note.nkmk.me/en/python-function-return-multiple-values/
+
+# enter an int from command line
+size = int(input())
+
+# enter a list of numbers from command line
+numbers = list(map(int, input().split()))
+print(numbers)
diff --git a/cheat_sheet2.txt b/cheat_sheet2.txt
@@ -0,0 +1,14 @@
+## Pickle to serialize an object (for example a dictionary):
+
+# Dump first:
+import pickle
+
+example_dict = {1:"6",2:"2",3:"f"}
+
+pickle_out = open("dict.pickle","wb")
+pickle.dump(example_dict, pickle_out)
+pickle_out.close()
+
+#Now, you can load:
+pickle_in = open("dict.pickle","rb")
+example_dict = pickle.load(pickle_in)
diff --git a/more_tricks.py b/more_tricks.py
@@ -1,4 +1,7 @@
 # get creation and last modification time of a file or directory
 import os.path, time
 print("Last modified: %s" % time.ctime(os.path.getmtime("test.py")))
-print("Created: %s" % time.ctime(os.path.getctime("test.py")))
+print("Created: %s" % time.ctime(os.path.getctime("test.py")))
+
+# how to make a function to return multiple values, Read article on:
+https://note.nkmk.me/en/python-function-return-multiple-values/
diff --git a/more_tricks.py b/more_tricks.py
@@ -0,0 +1,4 @@
+# get creation and last modification time of a file or directory
+import os.path, time
+print("Last modified: %s" % time.ctime(os.path.getmtime("test.py")))
+print("Created: %s" % time.ctime(os.path.getctime("test.py")))
diff --git a/MIni exercises b/MIni exercises
@@ -27,3 +27,24 @@ for i in li:
 # Use u'strings' format to define unicode string.
 unicodeString = u"hello world!"
 print(unicodeString)
+
+# 
+Assuming that we have some email addresses in the "[email protected]" format, 
+please write program to print the user name of a given email address. Both user names 
+and company names are composed of letters only.
+
+Example: If the following email address is given as input to the program:
+[email protected]
+
+Then, the output of the program should be:
+john
+In case of input data being supplied to the question, it should be assumed to be a console input.
+
+Hints:
+Use \w to match letters.
+
+import re
+emailAddress = raw_input()
+pat2 = "(\w+)@((\w+\.)+(com))"
+r2 = re.match(pat2,emailAddress)
+print(r2.group(1))
diff --git a/MIni exercises b/MIni exercises
@@ -23,3 +23,7 @@ print(li)
 li = [2,4,6,8]
 for i in li:
     assert i%2==0
+
+# Use u'strings' format to define unicode string.
+unicodeString = u"hello world!"
+print(unicodeString)
diff --git a/MIni exercises b/MIni exercises
@@ -17,4 +17,9 @@ print(li)
 # list comprehension for removing a certain element of a list
 li = [12,24,35,24,88,120,155]
 li = [x for x in li if x!=24]
-print(li)
+print(li)
+
+# write assert statements to verify that every number in the list [2,4,6,8] is even.
+li = [2,4,6,8]
+for i in li:
+    assert i%2==0
diff --git a/MIni exercises b/MIni exercises
@@ -12,4 +12,9 @@ set1=set([1,3,6,78,35,55])
 set2=set([12,24,35,24,88,120,155])
 set1 &= set2
 li=list(set1)
+print(li)
+
+# list comprehension for removing a certain element of a list
+li = [12,24,35,24,88,120,155]
+li = [x for x in li if x!=24]
 print(li)
diff --git a/MIni exercises b/MIni exercises
@@ -5,4 +5,11 @@
 $ s=['a','b','c','d']
 $ s = s[::-1]
 $ print(s)
-['d', 'c', 'b', 'a']
+['d', 'c', 'b', 'a']
+
+# print the intersection of the 2 lists
+set1=set([1,3,6,78,35,55])
+set2=set([12,24,35,24,88,120,155])
+set1 &= set2
+li=list(set1)
+print(li)
diff --git a/MIni exercises b/MIni exercises
@@ -0,0 +1,8 @@
+# Exercises extracted from :
+# https://github.com/zhiwehu/Python-programming-exercises/blob/master/100%2B%20Python%20challenging%20programming%20exercises%20for%20Python%203.md
+
+# iterate a list in the reverse order:
+$ s=['a','b','c','d']
+$ s = s[::-1]
+$ print(s)
+['d', 'c', 'b', 'a']
diff --git a/python_cheat_sheet → python_cheat_sheet.txt b/python_cheat_sheet → python_cheat_sheet.txt
@@ -19,7 +19,7 @@ https://www.python.org/dev/peps/pep-0008/
 *Class Names:
 Class names should normally use the CapWords convention
 
-*Function Names;
+*Funcƒtion Names;
 Function names should be lowercase, with words separated by
 underscores as necessary to improve readability.
 

diff --git a/python_cheat_sheet b/python_cheat_sheet
@@ -4145,4 +4145,11 @@ chunks = re.split(' +', str)
 print(chunks)
 
 //
-# Testing if a binary exists
+# Testing if a binary exists
+def is_tool(name):
+    """Check whether `name` is on PATH and marked as executable."""
+
+    # from whichcraft import which
+    from shutil import which
+
+    return which(name) is not None
diff --git a/python_cheat_sheet b/python_cheat_sheet
@@ -4145,4 +4145,4 @@ chunks = re.split(' +', str)
 print(chunks)
 
 //
-# Tes
+# Testing if a binary exists
diff --git a/python_cheat_sheet b/python_cheat_sheet
@@ -4144,3 +4144,5 @@ chunks = re.split(' +', str)
 
 print(chunks)
 
+//
+# Tes
diff --git a/python_cheat_sheet b/python_cheat_sheet
@@ -4143,3 +4143,4 @@ str = '63 41    92  81            69  70'
 chunks = re.split(' +', str)
 
 print(chunks)
+
Original file line number	Diff line number	Diff line change
		@@ -4143,3 +4143,4 @@ str = '63 41 92 81 69 70'
		chunks = re.split(' +', str)

		print(chunks)