count_uppercase_lowercase.py

"""
Daily Python Projects
Count Uppercase and Lowercase Letters in String
Level 1: Beginner
https://dailypythonprojects.substack.com/p/count-uppercase-and-lowercase-letters

This program defines a string, counts how many uppercase and lowercase letters are present, and displays both counts.
"""
text = "This Sentence Has Mixed CASE Letters!"
count_upper = 0
count_lower = 0

for letter in text:
    if letter.isupper():
        count_upper += 1
    elif letter.islower():
        count_lower += 1

print (f"The text contain {count_upper} uppercase and {count_lower} lowercase letters.")