Chapter 4: DecisionsContent check — Python, Chapter 4: Decisions

Consider the following code:

is_fruit = "True"
is_vegetable = 0
is_dessert = False

Consider the following code:

is_fruit = "True"
is_vegetable = 0
is_dessert = False

Consider the following code:

is_fruit = "True"
is_vegetable = 0
is_dessert = False

Consider the following code:

is_fruit = "True"
is_vegetable = 0
is_dessert = False

Consider the following code:

is_fruit = "True"
is_vegetable = 0
is_dessert = False

Consider the following code:

is_fruit = "True"
is_vegetable = 0
is_dessert = False

is_dessert = 0
print(type(is_dessert))

Given is_on = True, what is the value of each expression?

Given is_on = True, what is the value of each expression?

Given is_on = True, what is the value of each expression?

For each new variable, what is the value of compare_result?

x = 14
compare_result = (x <= 13)

For each new variable, what is the value of compare_result?

w = 0
compare_result = (w != 0.4)

For each new variable, what is the value of compare_result?

v = 4
compare_result = (v < 4.0)

For each new variable, what is the value of compare_result?

y = 2
compare_result = (y > "ab")

For each new variable, what is the value of compare_result?

z = "cilantro"
compare_result = (z == "coriander")

For each new variable, what is the value of compare_result?

a = "dog"
compare_result = (a < "cat")

if age < 12:
  print("Discount for children available")

1  print("Have a great day.")
2  if is_raining:
3    print("Don't forget an umbrella!")
4  print("See you soon.")

1  print("Have a great day.")
2  if is_raining:
3    print("Don't forget an umbrella!")
4  print("See you soon.")

if num < 0:
  num = 25
if num < 100:
  num = num + 50

positive_num = int(input("Enter a positive number:"))
if positive_num < 0:
  print("Negative input set to 0")
positive_num = 0

if x >= 15:
  # Do something
else:
  # Do something else

if x > 30:
  y = x - 10
else:
  y = x + 10

if x < 50:
  y = y / 2
else:
  y = y * 2
y = y + 5

if (x < 10) and (y > 20):
  z = 5
else:
  z = 0

if (days < 30) or is_damaged:
  # Process refund

if (age < 12) or (age > 65):
  # Apply student/senior discount

if (a%2 == 0 and b%2 == 1) or (a%2 == 1 and b%2 == 0):
  # Test passed
else:
  # Test failed

if not(x > 15 and x < 20):
  # x in correct range

if timer > 60:
  is_turn = not is_turn

Which part of each expression is evaluated first?

Which part of each expression is evaluated first?

Which part of each expression is evaluated first?

How is each expression evaluated?

How is each expression evaluated?

How is each expression evaluated?

if condition_1:
  # Body 1
__ condition_2:
  # Body 2

if x > 44:
  y += 2
elif x < 50:
  y += 5

if _________:
  # Body 1
elif _________:
  # Body 2

rooms = 1
if attendees >= 100:
  rooms += 3
if attendees <= 200:
  rooms += 7
elif attendees <= 400:
  rooms += 14

if hour < 8:
  print("Too early")
elif hour < 12:
  print("Good morning")
elif hour < 13:
  print("Lunchtime")
elif hour < 17:
  print("Good afternoon")
else:
  print("Too late")

_1_
if condition:
  # Body
  _2_
elif condition:
  # Body
_3_
else:
  # Body
_4_

if x < 0 and y < 0:
  y = 10
elif x < 0 and y > 0:
  y = 20
else:
  y = 30

if price < 9.99:
  order = 50
if 9.99 <= price < 19.99:
  order = 30
if price >= 19.99:
  order = 10

if num_dancers < 0:
  print("Error: num_dancers is negative")
else:
  if num_dancers % 2 == 1:
    print("Error: num_dancers is odd")
  print(num_dancers, "dancers")

if x == y:
  # Body 1
elif x < y:
  # Body 2
  if y >= max:
    # Body 3
  else:
    # Body 4
else:
  # Body 5

if x == y:
  # Body 1
elif x < y:
  # Body 2
  if y >= max:
    # Body 3
else:
  # Body 4
else:
  # Body 5

if x%2 == 0:
  response = 'even'
else:
  response = 'odd'

result = x + offset if x < 100 else x - offset

min_num = x if x < y else min_num = y

if x < 50:
  result = True
else:
  result = False

total = fee + 10 if hours > 12 else 2