Python
# Program to count characters in a file
filename = input("Enter filename: ")
try:
with open(filename, "r", encoding="utf-8") as f:
text = f.read()
print("Character count:", len(text))
except FileNotFoundError:
print("File not found.")Output
Enter filename: notes.txt Character count: 120
len(text) returns the total number of characters including spaces and newlines.