Calculate speed

# Calculate speed
D = int(input("Distance traveled: "))
T = int(input("Time: "))
 
if D <= 0 or T <= 0:
        print("Error!")
else:
    print("Speed:",D/T)

Ahmad.stable

A

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# Dictionary of distance units with their names
Distance_unit = {
    1: "miles",
    2: "kilometers",
    3: "nautical miles", 
    4: "yards",
    5: "feet",
    6: "inches",
    7: "millimeters",
    8: "centimeters",
    9: "meters"
}
 
# Dictionary of time units with their names
Time_unit = {
    1: "hours",
    2: "minutes", 
    3: "seconds"
}
 
# Input validation function
def get_valid_input(prompt, valid_range):
    while True:
        try:
            value = int(input(prompt))
            if value in valid_range:
                return value
            print(f"Please enter a number between {min(valid_range)} and {max(valid_range)}")
        except ValueError:
            print("Please enter a valid number")
 
# Get distance unit input with validation
Distance_unit_input = get_valid_input(
    "Enter the unit of distance you want to convert from\n"
    "1(miles) 2(kilometers) 3(nautical miles) 4(yards)\n"
    "5(feet) 6(inches) 7(millimeters) 8(centimeters) 9(meters): ",
    Distance_unit.keys()
)
 
# Get time unit input with validation
Time_unit_input = get_valid_input(
    "Enter the unit of time you want to convert from:\n"
    "1(hours) 2(minutes) 3(seconds): ",
    Time_unit.keys()
)
 
# Get distance and time values with validation
while True:
    try:
        Distance_traveled = float(input(f"Enter the distance traveled in {Distance_unit[Distance_unit_input]}: "))
        if Distance_traveled >= 0:
            break
        print("Distance must be non-negative")
    except ValueError:
        print("Please enter a valid number")
 
while True:
    try:
        Time_traveled = float(input(f"Enter the time traveled in {Time_unit[Time_unit_input]}: "))
        if Time_traveled > 0:
            break
        print("Time must be greater than zero")
    except ValueError:
        print("Please enter a valid number")
 
# Calculate speed
Speed = Distance_traveled / Time_traveled
 
# Print result with proper formatting
print(f"The speed is {Speed:.2f} {Distance_unit[Distance_unit_input]} per {Time_unit[Time_unit_input]}")

Soroush

S

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