Python for Everyone: The PreTeXt Interactive Edition

x = 0
---
if x < 3:
---
    result = "x is less than 3"
---
else:
---
    result = "All done"

x = 2
---
if x < 2:
---
if x < 2:  #paired
---
    message = "Hello"
---
elif x > 2:
---
else x > 2:  #paired
---
    message = "Hey"
---
else:
---
    message = "Hi"
---
    message == "Hi"  #paired

weight = 0.5
numItems = 5
if weight < 2:
---
    price = 1.50
---
if weight >= 2:
---
    price = 1.30
---
total = weight * price

x = 3
---
if x >= 1 and x <= 10:
---
    number = "x is a number from 1 to 10"
---
elif x < 1:
---
    number = "x is a number less than 1"
---
    number = "x is greater than 1"  #paired
---
else:
---
    number = "x is a number greater than 10"
---
else x < 1:  #paired

distance = 14
---
if distance <= 12:
---
if distance is 12:  #paired
---
    rate = 2.00
---
if distance > 12:
---
if distance < 12:  #paired
---
    rate = 1.50
---
total = distance * rate
---
total = distance / rate  #paired
---
print("Total cost of trip: " + str(total))

x = 10
---
y = 10
---
if x < y:
---
    result = "x is less than y"
---
else:
---
    if x > y:
---
        result = "x is greater than y"
---
    else:
---
        result = "x and y must be equal"

x = 12
---
y = x
---
if x is y:
---
    value = "x and y are the same"
---
elif x == y:
---
    value = "x and y have the same value"
---
else:
---
    value = "x and y have different values"

score = 93
---
if score >= 90:
---
    grade = "A"
---
elif score >= 80:
---
    grade = "B"
---
elif score >= 70:
---
    grade = "C"
---
elif score >= 60:
---
    grade = "D"
---
else:
---
    grade = "E"
---
print(grade)
---
    elif grade >= 90:  #distractor
---
    score = "c"  #distractor

x = 3
---
if x % 2 == 0:
---
if x / 2 == 0:  #paired
---
    result = "x is even!"
---
else:
---
    result = "x is odd"
---
elif x % 2 == 1:  #paired

x = 8
---
if x >= 1 and x <= 10 or x == 15:
---
    result = "Good job"
---
else:
---
    result = "Fail"
---
elif x == 15:  #paired