[レコーダなし]Pythonを使用したWebスクリプト-Day 3の作成

1.9 Conditionals part One

📝 if - else

# 문법
if CONDITION:
    ...
else:
    ...
    
# 예시
def plus(a, b):
    if type(b) is int or type(b) is float:
        return a + b
    else:
        return None
        
plus(12, "10")

1.10 if else and or

# 예시
def age_check(age):
    print(f"you are {age}")
    if age < 18:
        print("you can't drink")
    elif age == 18:
        print("you are new to this!")
    elif age > 20 and age < 25:
        print("you are still kind of young")
    else:
        print("enjoy your drink")

age_check(18)
age_check(23)

# 결과
you are 18
you are new to this!
you are 23
you are still kind of young

1.11 for in

📝 for loop

# 문법
for 변수명 in 배열:
    body

# 예시
days = {"Mon", "Tue", "Wed", "Thu", "Fri"}

for day in days:
    if day is "Wed":
        break
    else:
        print(x)

# 결과
Mon
Tue
Wed