CBSE Class 12 Computer Science
Question 36 of 57
Review of Python Basics — Question 36
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Question Write a Python program to change a given string to a new string where the first and last characters have been exchanged.
input_str = input("Enter the string: ")
first_char = input_str[0]
last_char = input_str[-1]
middle_chars = input_str[1:-1]
new_str = last_char + middle_chars + first_char
print("Original string:", input_str)
print("New string after swapping first and last characters:", new_str)Enter the string: python
Original string: python
New string after swapping first and last characters: nythop
input_str
=
input
(
"Enter the string: "
)
first_char
=
input_str
[
0
]
last_char
=
input_str
[
-
1
]
middle_chars
=
input_str
[
1
:
-
1
]
new_str
=
last_char
+
middle_chars
+
first_char
print
(
"Original string:"
,
input_str
)
print
(
"New string after swapping first and last characters:"
,
new_str
)
Output
Enter the string: python
Original string: python
New string after swapping first and last characters: nythop