Condiciones de Python 1-07 y declaraciones de bucle

Una, declaración condicional

1, si <condición>:

age = int(input('Please enter your age:'))

if age >= 18:
    print(f' Your age is { age } , and you are an adult with Internet access.')
else:
    print(f'Your age is { age } , please go home and do your homework.')

2. Múltiples juicios

score = int(input('Please enter your scores:'))
if score < 60:
    print(f'Your score is a {score}, grade is "E" .')  
elif (score < 70):
	print(f'Your score is a {score}, grade is "D" .')  
elif (score < 80):
	print(f'Your score is a {score}, grade is "C" .')  
elif (score < 90):
	print(f'Your score is a {score}, grade is "B" .')  
else:
	print(f'Your score is a {score}, grade is "A" .')  

Python no tiene una declaración de cambio y se puede implementar utilizando múltiples declaraciones condicionales.

3. Operador ternario

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