Logic Building/Phase 5 - Category 2: Character Operations/Program

Count Digits in String

Count digit characters in string.

Logic BuildingBeginner

Logic Building

# Take string input
s = input("Enter a string: ")

# Count digits
count = 0
for char in s:
    if char.isdigit():
        count += 1

print(f"Digits: {count}")

Output

Enter a string: Hello123
Digits: 3

Check each character if digit.

Key Concepts:

isdigit() checks if digit
Count matching characters
Loop through string

Count Lowercase Characters

Count Special Characters