Python Program to Count Non Palindrome words in a Sentence

In the previous article, we have discussed Python Program to Find Leaders in an Array/List
Given a string and the task is to count all the Non-palindromic words in a given sentence.

Palindrome:

If the reverse of a string is the same as the string, it is said to be a palindrome.

Example :

Given string = “sos asked to bring the madam “.

Output :

Explanation: In this “madam”, “sos” are the palindromic words. By sorting them we get {“madam”,”sos”}

Examples:

Example1:

Input:

Given String = "dad and mom both ordered to bring sos in malayalam"

Output:

The count of all the Non-palindromic words in a given sentence = 6

Example2:

Input:

Given String = "My mom and dad treats me in equal level"

Output:

The count of all the Non-palindromic words in a given sentence = 6

Program to Count Non-Palindrome words in a Sentence

Below are the ways to count all the Non-palindromic words in a given sentence.

Using For Loop (Static Input)
Using For loop (User Input)

Method #1: Using For Loop (Static Input)

Approach:

Give the string as static input and store it in a variable.
Take an empty list say “lst” and store it in another variable.
Split the given string using the split() function and store it in another variable.
Loop in the above-obtained split list of words using the for loop.
Check if the iterator value is not equal to the reverse of the iterator value using the if conditional statement.
If the statement is true, then append the respective iterator value to the above initialized empty list using the append() method.
Calculate the length above initialized list “lst” using the len() function and store it in a variable.
Print the count of all the Non-palindromic words in a given sentence.
The Exit of the Program.

Below is the implementation:

# Give the string as static input and store it in a variable.
gvn_str = "dad and mom both ordered to bring sos in malayalam"
# Take an empty list and store it in another variable.
lst = []
# Split the given string using the split() function and store it in another variable.
splt_str = gvn_str.split()
# Loop in the above-obtained split list of words using the for loop.
for wrd in splt_str:
    # Check if the iterator value is not equal to the reverse of the iterator value using
    # the if conditional statement.
    if wrd != wrd[::-1]:
     # If the statement is true, then append the respective iterator value to the
        # above initialized empty list using the append() method.
        lst.append(wrd)
# Calculate the length above initialized list "lst" using the len() function
# and store it in a variable.
# Print the count of all the Non-palindromic words in a given sentence.
count = len(lst)
# Print the count of all the Non-palindromic words in a given sentence.
print("The count of all the Non-palindromic words in a given sentence =", count)

Output:

The count of all the Non-palindromic words in a given sentence = 6

Method #2: Using For loop (User Input)

Approach:

Give the string as user input using the input() function and store it in a variable.
Take an empty list say “lst” and store it in another variable.
Split the given string using the split() function and store it in another variable.
Loop in the above-obtained split list of words using the for loop.
Check if the iterator value is not equal to the reverse of the iterator value using the if conditional statement.
If the statement is true, then append the respective iterator value to the above initialized empty list using the append() method.
Calculate the length above initialized list “lst” using the len() function and store it in a variable.
Print the count of all the Non-palindromic words in a given sentence.
The Exit of the Program.

Below is the implementation:

# Give the string as user input using the input() function and store it in a variable.
gvn_str = input("Enter some random string = ")
# Take an empty list and store it in another variable.
lst = []
# Split the given string using the split() function and store it in another variable.
splt_str = gvn_str.split()
# Loop in the above-obtained split list of words using the for loop.
for wrd in splt_str:
    # Check if the iterator value is notequal to the reverse of the iterator value using
    # the if conditional statement.
    if wrd != wrd[::-1]:
     # If the statement is true, then append the respective iterator value to the
        # above initialized empty list using the append() method.
        lst.append(wrd)
# Calculate the length above initialized list "lst" using the len() function
# and store it in a variable.
# Print the count of all the Non-palindromic words in a given sentence.
count = len(lst)
# Print the count of all the Non-palindromic words in a given sentence.
print("The count of all the Non-palindromic words in a given sentence =", count)

Output:

Enter some random string = My mom and dad treats me in equal level
The count of all the Non-palindromic words in a given sentence = 6

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