Logic Building
# Take string input
s = input("Enter a string: ")
# Print first character
if len(s) > 0:
print(f"First character: {s[0]}")
else:
print("String is empty")Output
Enter a string: Hello First character: H
Access first character using index 0.
Key Concepts:
- s[0] is first character
- Check if string not empty
- Index 0-based