Initial commit

python/Tuple/Python program to add an item in a tuple.py

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+#create a tuple
+tuplex = (4, 6, 2, 8, 3, 1)
+print(tuplex)
+#tuples are immutable, so you can not add new elements
+#using merge of tuples with the + operator you can add an element and it will create a new tuple
+tuplex = tuplex + (9,)
+print(tuplex)
+#adding items in a specific index
+tuplex = tuplex[:5] + (15, 20, 25) + tuplex[:5]
+print(tuplex)
+#converting the tuple to list
+listx = list(tuplex)
+#use different ways to add items in list
+listx.append(30)
+tuplex = tuple(listx)
+print(tuplex)

python/Tuple/Python program to check whether an element exists within a tuple.py

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+tuplex = ("w", 3, "r", "e", "s", "o", "u", "r", "c", "e")
+print("r" in tuplex)
+print(5 in tuplex)

python/Tuple/Python program to convert a list of tuples into a dictionary.py

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+#create a list
+l = [("x", 1), ("x", 2), ("x", 3), ("y", 1), ("y", 2), ("z", 1)]
+d = {}
+for a, b in l:
+	d.setdefault(a, []).append(b)
+print (d)

python/Tuple/Python program to convert a list to a tuple.py

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+#Convert list to tuple
+listx = [5, 10, 7, 4, 15, 3]
+print(listx)
+#use the tuple() function built-in Python, passing as parameter the list
+tuplex = tuple(listx)
+print(tuplex)

python/Tuple/Python program to convert a tuple to a dictionary.py

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+#create a tuple
+tuplex = ((2, "w"),(3, "r"))
+print(dict((y, x) for x, y in tuplex))

python/Tuple/Python program to convert a tuple to a string.py

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+tup = ('e', 'x', 'e', 'r', 'c', 'i', 's', 'e', 's')  
+str =  ''.join(tup)  
+print(str)  

python/Tuple/Python program to create a tuple with different data types.py

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+#Create a tuple with different data types
+tuplex = ("tuple", False, 3.2, 1)
+print(tuplex)

python/Tuple/Python program to create a tuple with numbers and print one item.py

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+#Create a tuple with numbers
+tuplex = 5, 10, 15, 20, 25
+print(tuplex)
+#Create a tuple of one item
+tuplex = 5,
+print(tuplex)

python/Tuple/Python program to create a tuple.py

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+#Create an empty tuple
+x = ()
+print(x)
+# Create an empty tuple with tuple() function built-in Python
+tuplex = tuple()
+print(tuplex)

python/Tuple/Python program to create the colon of a tuple.py

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+from copy import deepcopy
+#create a tuple
+tuplex = ("HELLO", 5, [], True)
+print(tuplex)
+#make a copy of a tuple using deepcopy() function
+tuplex_clone = deepcopy(tuplex)
+tuplex_clone[2].append(50)
+print(tuplex_clone)
+print(tuplex)

python/Tuple/Python program to find the index of an item of a tuple.py

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+#create a tuple
+tuplex = tuple("index tuple")
+print(tuplex)
+#get index of the first item whose value is passed as parameter
+index = tuplex.index("p")
+print(index)
+#define the index from which you want to search
+index = tuplex.index("p", 5)
+print(index)
+#define the segment of the tuple to be searched
+index = tuplex.index("e", 3, 6)
+print(index)
+#if item not exists in the tuple return ValueError Exception
+index = tuplex.index("y")

python/Tuple/Python program to find the length of a tuple.py

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+#create a tuple
+tuplex = tuple("w3resource")
+print(tuplex)
+#use the len() function to known the length of tuple
+print(len(tuplex))

python/Tuple/Python program to find the repeated items of a tuple.py

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+#create a tuple
+tuplex = 2, 4, 5, 6, 2, 3, 4, 4, 7
+print(tuplex)
+#return the number of times it appears in the tuple.
+count = tuplex.count(4)
+print(count)

python/Tuple/Python program to get the 4th element and 4th element from last of a tuple.py

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+#Get an item of the tuple
+tuplex = ("w", 3, "r", "e", "s", "o", "u", "r", "c", "e")
+print(tuplex)
+#Get item (4th element)of the tuple by index
+item = tuplex[3]
+print(item)
+#Get item (4th element from last)by index negative
+item1 = tuplex[-4]
+print(item1)

python/Tuple/Python program to remove an item from a tuple.py

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+#create a tuple
+tuplex = "w", 3, "r", "s", "o", "u", "r", "c", "e"
+print(tuplex)
+#tuples are immutable, so you can not remove elements
+#using merge of tuples with the + operator you can remove an item and it will create a new tuple
+tuplex = tuplex[:2] + tuplex[3:]
+print(tuplex)
+#converting the tuple to list
+listx = list(tuplex)
+#use different ways to remove an item of the list
+listx.remove("c")
+#converting the tuple to list
+tuplex = tuple(listx)
+print(tuplex)

python/Tuple/Python program to reverse a tuple.py

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+#create a tuple
+x = ("w3resource")
+# Reversed the tuple
+y = reversed(x)
+print(tuple(y))
+#create another tuple
+x = (5, 10, 15, 20)
+# Reversed the tuple
+y = reversed(x)
+print(tuple(y))

python/Tuple/Python program to slice a tuple.py

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+#create a tuple
+tuplex = (2, 4, 3, 5, 4, 6, 7, 8, 6, 1)
+#used tuple[start:stop] the start index is inclusive and the stop index
+_slice = tuplex[3:5]
+#is exclusive
+print(_slice)
+#if the start index isn't defined, is taken from the beg inning of the tuple
+_slice = tuplex[:6]
+print(_slice)
+#if the end index isn't defined, is taken until the end of the tuple
+_slice = tuplex[5:]
+print(_slice)
+#if neither is defined, returns the full tuple
+_slice = tuplex[:]
+print(_slice)
+#The indexes can be defined with negative values
+_slice = tuplex[-8:-4]
+print(_slice)
+#create another tuple
+tuplex = tuple("HELLO WORLD")
+print(tuplex)
+#step specify an increment between the elements to cut of the tuple
+#tuple[start:stop:step]
+_slice = tuplex[2:9:2]
+print(_slice)
+#returns a tuple with a jump every 3 items
+_slice = tuplex[::4]
+print(_slice)
+#when step is negative the jump is made back
+_slice = tuplex[9:2:-4]
+print(_slice)

python/Tuple/Python program to unpack a tuple in several variables.py

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+#create a tuple
+tuplex = 4, 8, 3
+print(tuplex)
+n1, n2, n3 = tuplex
+#unpack a tuple in variables
+print(n1 + n2 + n3)
+#the number of variables must be equal to the number of items of the tuple
+n1, n2, n3, n4 = tuplex

python/Tuple/Python program to unzip a list of tuples into individual lists.py

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+#create a tuple
+l = [(1,2), (3,4), (8,9)]
+print(list(zip(*l)))