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python course 1 week 6 Parameters ‘return’

admin 11月 13, 2020 0

Write and use functions in Python 3.

function用冒号结尾

def ():
    print('Hello')
    print('Tracy')
thing()
print(123)
thing()

# Hello
# Tracy
# 123
# Hello
# Tracy

Parameters

def greet(lang):
    if lang == 'es':
        print('Hola')
    elif lang == 'fr':
        print('Bonjour')
    else:
        print('Hello')
greet('es')
greet('fr')
greet('en')
# output
# Hola
# Bonjour
# Hello

# Multiple Parameters
def addTwo(a, b):
    return a + b
print(addTwo(1, 2))
# output: 3

‘return’

def greet_with_return():
    return('Hello,')
print(greet_with_return(), 'Tracy')
# output: Hello Tracy