1. eval_cond.py
2. grade_elif.py
3. grade_notes.py
4. grade.py
5. speedingticket2.py
6. speedingticket_nocomments.py
7. speedingticket.py

# Examples of advanced conditionals
# by Sara Sprenkle

x = 2
y = 3
z = 4

b = x==2
c = not b

# Note: because of precedence, we don't _need_ parentheses
# I added parentheses for readability/emphasis
d = (y<4) and (z<3)
print("d =", d)

d = (y<4) or (z<3)
print("d =", d)

d = not d
print(b, c, d)

# Compute the letter grade, based on the numeric grade
# CSCI 111

print("This program generates the letter grade from the numeric grade.")

# get the input from the user for the numeric grade
numGrade = float(input("Enter the numeric score: "))

# The following code computes the letter grade from the numeric grade.
if numGrade >= 90:
    letterGrade = "A"
elif numGrade >= 80:
    letterGrade = "B"
elif numGrade >= 70:
    letterGrade = "C"
elif numGrade >= 60:
    letterGrade = "D"
else:
    letterGrade = "F"

        
print("The letter grade is", letterGrade)

# Compare using elif to using nested if-else-if statements

# Compute the letter grade, based on the numeric grade
# CSCI 111

numericGrade = float(input("Enter the numeric grade: "))



print("Your letter grade is", letter_grade)

# Assign a letter grade and then fill into the print statement.
# This approach reduces the duplication of print statements.
# If we need to change a print statement, we'd have a lot to change.

# Compute the letter grade, based on the numeric grade
# CSCI 111

print("This program generates the letter grade from the numeric grade.")

# get the input from the user for the numeric grade
numGrade = float(input("Enter the numeric score: "))

if numGrade >= 90:
    letterGrade = "A"
else:
    if numGrade >= 80:
        letterGrade = "B"
    else:
        if numGrade >= 70:
            letterGrade = "C"
        else:
            if numGrade >= 60:
                letterGrade = "D"
            else:
                letterGrade = "F"

# display the results        
print("You got a", letterGrade)

# Assign a letter grade and then fill into the print statement.
# This approach reduces the duplication of print statements.
# If we need to change a print statement, we'd have a lot to change.

# Any speed clocked over the limit results in a fine of at least $50, plus $5
# for each mph over the limit, plus a penalty of $200 for any speed over 90mph.
# 
# Input: speed limit and the clocked speed
# Output: either (a) that the clocked speed was under the limit or 
# (b) the appropriate fine
#
# This program is equivalent to speedingticket.py
# but shows an alternative structure for the if/else
#
# CSCI 111

print("This program determines whether you were speeding and your fine,")
print("if appropriate.")

# getting the necessary input from the user
speed = eval(input("Enter your speed: "))
speedlimit = eval(input("Enter the speed limit: "))

# check if speeding
if speed > speedlimit:
    fine = 50 + 5*(speed-speedlimit)
    if speed > 90:
        fine += 200
    print("Your fine will be $", fine)
else:
    print("You are not speeding.")
    print("Continue safe driving practices.")

EXCESSIVE_SPEED=90

print("This program determines whether you were speeding and your fine,")
print("if appropriate.")

speed = eval(input("Enter your speed: "))
speedlimit = eval(input("Enter the speed limit: "))

if speed <= speedlimit:
    print("You are not speeding.")
    print("Continue safe driving practices.")
else:
    fine = 50 + 5*(speed-speedlimit)
    if speed > EXCESSIVE_SPEED:
        fine += 200
    print("Your fine will be $", fine)

# Any speed clocked over the limit results in a fine of at least $50, plus $5
# for each mph over the limit, plus a penalty of $200 for any speed over 90mph.
#
# Input: speed limit and the clocked speed
# Output: either (a) that the clocked speed was under the limit or 
# (b) the appropriate fine
# CSCI 111

EXCESSIVE_SPEED=90

print("This program determines whether you were speeding and your fine,")
print("if appropriate.")

# getting the necessary input from the user
speed = eval(input("Enter your speed: "))
speedlimit = eval(input("Enter the speed limit: "))

# check if not speeding
if speed <= speedlimit:
    print("You are not speeding.")
    print("Continue safe driving practices.")
else:
    fine = 50 + 5*(speed-speedlimit)
    if speed > EXCESSIVE_SPEED:
        fine += 200
    print("Your fine will be $", fine)