Conditionals¶

print(f"type of True and False: {type(True)}")

print(f"0: {bool(0)}, 1: {bool(1)}")
print(f"empty list: {bool([])}, list with values: {bool(['woop'])}")
print(f"empty dict: {bool({})}, dict with values: {bool({'Python': 'cool'})}")

print(f"{1 == 0}")
print(f"{1 != 0}")
print(f"{1 > 0}")
print(f"{1 > 1}")
print(f"{1 < 0}")
print(f"{1 < 1}")
print(f"{1 >= 0}")
print(f"{1 >= 1}")
print(f"{1 <= 0}")
print(f"{1 <= 1}")

print(f"{1 <= 2 <= 3}")

print(f"Python and java are both cool: {python_is_cool and java_is_cool}")
print(f"secret_value and python_is_cool: {secret_value and python_is_cool}")

print(f"Python or java is cool: {python_is_cool or java_is_cool}")
print(f"{1 >= 1.1 or 2 < 1.4}")

print(f"Java is not cool: {not java_is_cool}")

print(bool(not java_is_cool or secret_value and python_is_cool or empty_list))
print(bool(not (java_is_cool or secret_value and python_is_cool or empty_list)))

statement = True
if statement:
    print("statement is True")

if not statement:
    print("statement is not True")

val = 3
if 0 <= val < 1 or val == 3:
    print("Value is positive and less than one or value is three")

my_dict = {}
if my_dict:
    print("there is something in my dict")
else:
    print("my dict is empty :(")

val = 88
if val >= 100:
    print("value is equal or greater than 100")
elif val > 10:
    print("value is greater than 10 but less than 100")
else:
    print("value is equal or less than 10")

greeting = "Hello fellow Pythonista!"
language = "Italian"

if language == "Swedish":
    greeting = "Hejsan!"
elif language == "Finnish":
    greeting = "Latua perkele!"
elif language == "Spanish":
    greeting = "Hola!"
elif language == "German":
    greeting = "Guten Tag!"

print(greeting)