#	conditional statements

# simple if then else
#breakpoint  (#breakpoint is for use of the program breakpoint_1.py)
age = 21
if age >= 18:
    print("You may vote.")
#breakpoint

# simple if then else
#breakpoint
predicted_value = 0.85
threshold = 0.7
if predicted_value >= threshold:
    prediction_outcome = "Positive"
else:
    prediction_outcome = "Negative"
print(f"Prediction outcome: {prediction_outcome}")
#breakpoint

# using short hand form.

predicted_value_2 = 0.85
threshold_2 = 0.7
prediction_outcome_2 = "Positive" if predicted_value_2 >= threshold_2 else "Negative"
print(f"Prediction outcome (shorthand): {prediction_outcome_2}")
#breakpoint

# DS: Long form
text_data = "Data science is fascinating."
keyword = "science"
if keyword in text_data:
    contains_keyword = True
else:
    contains_keyword = False
print(f"Contains keyword: {contains_keyword}")
#breakpoint

# DS: Short form
text_data = "Data science is very fascinating."
keyword = "science"
contains_keyword_2 = True if keyword in text_data else False
print(f"Contains keyword (shorthand): {contains_keyword_2}")
#breakpoint

# DS: Not using conditionals.
text_data = "Data science is very, very fascinating."
keyword = "science"
contains_keyword_3 = keyword in text_data
print(f"Contains keyword (shorthand): {contains_keyword_3}")
#breakpoint

#   elif
score = 75
if score >= 90:
    grade = 'A'
elif score >= 80:
    grade = 'B'
elif score >= 70:
    grade = 'C'
elif score >= 60:
    grade = 'D'
else:
    grade = 'F'
print(f"Grade: {grade}")