This article covers ‘for’ loops and how they are used with tuples. Even if the tuples are immutable, the accessibility of the tuples is similar to that of the list.
For Loop With Tuples
This article covers ‘for’ loops and how they are used with tuples. Even if the tuples are immutable, the accessibility of the tuples is similar to that of the list. Traverse through a tuple with a for loop.
Python
Python
Python
tuples=()
tuples=(1,'user@gmail.com',5.2,'User',True)
for i in tuples:
print(i)
Output
1
user@gmail.com
5.2
User
TrueUse enumerate with tuple to get index and value.
Python
Python
Python
for i,j in enumerate(tuples):
print(i,j)
Output
0 1
1 user@gmail.com
2 5.2
3 User
4 TrueTo get this output without enumerating, we have to change codes as follows.
Python
Python
Python
size=len(tuples)
# i will be used as index pointer here,
for i in range(size):
print(i,tuples[i])
Output
0 1
1 user@gmail.com
2 5.2
3 User
4 TrueNested Tuples
Let’s create a pseudo-dataset within a nested structure, a tuple. If we print it directly, it will not show up in table format.
Python
Python
Python
ntuple=(
('id','sal','name','email','married'),
(1,5.2,'User1','user1@gmail.com',True),
(2,4.8,'User2','user2@gmail.com',True),
(3,6.3,'User3','user3@gmail.com',True)
)
print(ntuple)
Output
(('id', 'sal', 'name', 'email', 'married'), (1, 5.2, 'User1', 'user1@gmail.com', True), (2, 4.8, 'User2', 'user2@gmail.com', True), (3, 6.3, 'User3', 'user3@gmail.com', True))Let’s print the nested tuple in table format.
Python
Python
Python
for i in ntuple:
for j in i:
print(j,end=' \t ')
print()
Output
id sal name email married
1 5.2 User1 user1@gmail.com True
2 4.8 User2 user2@gmail.com True
3 6.3 User3 user3@gmail.com True Tuple Unpacking
We will use the same tuple to demonstrate the tuple unpacking.
Python
Python
Python
ntuple=(
('id','sal','name','email','married'),
(1,5.2,'User1','user1@gmail.com',True),
(2,4.8,'User2','user2@gmail.com',True),
(3,6.3,'User3','user3@gmail.com',True)
)
print(ntuple)
Output
(('id', 'sal', 'name', 'email', 'married'), (1, 5.2, 'User1', 'user1@gmail.com', True), (2, 4.8, 'User2', 'user2@gmail.com', True), (3, 6.3, 'User3', 'user3@gmail.com', True))Let’s try to unpack a tuple without any special method. Let’s use for loop to unpack tuple.
Python
Python
Python
for i in ntuple:
j,k,l,m,n=i
print(j,k,l,m,n)
Output
id sal name email married
1 5.2 User1 user1@gmail.com True
2 4.8 User2 user2@gmail.com True
3 6.3 User3 user3@gmail.com True Python
Python
Python
i,*j=ntuple
print(i,j,sep='\n')
Output
('id', 'sal', 'name', 'email', 'married')
[(1, 5.2, 'User1', 'user1@gmail.com', True), (2, 4.8, 'User2', 'user2@gmail.com', True), (3, 6.3, 'User3', 'user3@gmail.com', True)]This is how a tuple is unpacked without a for loop.
Python
Python
Python
i,j,*k=ntuple
print(i,j,k,sep='\n')
Output
('id', 'sal', 'name', 'email', 'married')
(1, 5.2, 'User1', 'user1@gmail.com', True)
[(2, 4.8, 'User2', 'user2@gmail.com', True), (3, 6.3, 'User3', 'user3@gmail.com', True)]Practice Your codes here
ntuple=(
(‘id’,’sal’,’name’,’email’,’married’),
(1,5.2,’User1′,’user1@gmail.com’,True),
(2,4.8,’User2′,’user2@gmail.com’,True),
(3,6.3,’User3′,’user3@gmail.com’,True)
)
print(ntuple)
i,j,*k=ntuple
print(i,j,k,sep=’\n’)
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