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Python Program that Displays which Letters are in the First String but not in the Second
When it is required to display the letters that are present in the first string but not in the second string, two string inputs are taken from user. The ‘set’ is used to find the difference between the two strings.
Python comes with a datatype known as ‘set’. This ‘set’ contains elements that are unique only.
The set is useful in performing operations such as intersection, difference, union and symmetric difference.
Example
Below is a demonstration for the same −
my_str_1 = input("Enter the first string...")
my_str_2 = input("Enter the second string...")
my_result = list(set(my_str_1)-set(my_str_2))
print("The letters in first string but not in second string :")
for i in my_result:
print(i)Output
Enter the first string...Jane Enter the second string...Wane The letters in first string but not in second string : J
Explanation
- Two strings are taken as input from the user.
- They are converted to a set, and their difference is computed.
- This difference is converted to a list.
- This value is assigned to a variable.
- This is iterated over, and displayed on the console.
Updated on: 12-Mar-2021
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