[Python] 기초 문법 공부

a=2
b=3
print(a+b) #5

first_name = 'sanghyun'
last_name = 'jang'
print(first_name + last_name) # sanghyunjang

a_list = ['사과', '배', '감']
a_list.append('수박')
print(a_list) #['사과', '배', '감', '수박']

a_dict = {'name' : 'bob', 'age' : 27}
print(a_dict['name']) #bob
a_dict['height'] = 179
print(a_dict) #{'name': 'bob', 'age': 27, 'height': 179}

def sum(num1, num2):
	print('안녕!')
	return num1+num2
	result = sum(2,3)
	print(result) # 안녕! 5

age = 25
if age > 20:
	print('성인입니다')
else:
	print('청소년입니다')
#성인입니다

def is_adult(age):
	if age > 20:
		print('성인입니다')
	else:
		print('청소년입니다')

is_adult(30) #성인입니다
is_adult(15) #청소년입니다

fruits = ['사과','배','배','감','수박','귤','딸기','사과','배','수박']

count = 0
for ff in fruits:
	if ff == '수박':
	count += 1
	print(count) #2

people = [
	{'name': 'bob', 'age': 20},
	{'name': 'carry', 'age': 38},
	{'name': 'john', 'age': 7},
	{'name': 'smith', 'age': 17},
	{'name': 'ben', 'age': 27}
    ]

for person in people:
	if person['age'] < 20:
		print(person)

a=2
b=3
print(a+b) #5

first_name = 'sanghyun'
last_name = 'jang'
print(first_name + last_name) # sanghyunjang

a_list = ['사과', '배', '감']
a_list.append('수박')
print(a_list) #['사과', '배', '감', '수박']

a_dict = {'name' : 'bob', 'age' : 27}
print(a_dict['name']) #bob
a_dict['height'] = 179
print(a_dict) #{'name': 'bob', 'age': 27, 'height': 179}

def sum(num1, num2):
print('안녕!')
return num1+num2
result = sum(2,3)
print(result) # 안녕! 5

age = 25
if age > 20:
print('성인입니다')
else:
print('청소년입니다')
#성인입니다

def is_adult(age):
if age > 20:
print('성인입니다')
else:
print('청소년입니다')

is_adult(30) #성인입니다
is_adult(15) #청소년입니다

fruits = ['사과','배','배','감','수박','귤','딸기','사과','배','수박']

count = 0
for ff in fruits:
if ff == '수박':
count += 1
print(count) #2

people = [{'name': 'bob', 'age': 20},
{'name': 'carry', 'age': 38},
{'name': 'john', 'age': 7},
{'name': 'smith', 'age': 17},
{'name': 'ben', 'age': 27}]

for person in people:
if person['age'] < 20:
print(person)