country = 'US'
print(country)
country = country + 'A'
print(country)
US USA
- 파이썬 리스트 활용
# 1차원 배열 리스트로 구현시
data = [1, 2, 3, 4, 5]
print(data)
[1, 2, 3, 4, 5]
# 2차원 배열 리스트로 구현시
data = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
print(data)
[[1, 2, 3], [4, 5, 6], [7, 8, 9]]
print(data[0])
[1, 2, 3]
print(data[0][0])
print(data[0][1])
print(data[0][2])
print(data[1][0])
1 2 3 4
import random
surnames = ["Smith", "Johnson", "Williams", "Brown", "Jones", "Miller", "Davis", "García", "Rodriguez", "Martinez"]
names = ["Emma", "Liam", "Olivia", "Noah", "Ava", "Isabella", "Sophia", "Jackson", "Lucas", "Aiden"]
positions = ["Manager", "Engineer", "Analyst", "Designer", "Developer", "Coordinator", "Specialist"]
# 가상 인물 리스트 생성
people_list = []
for _ in range(30):
full_name = random.choice(surnames) + " " + random.choice(names)
position = random.choice(positions)
full_identity = f"{full_name} - {position}"
people_list.append(full_identity)
people_list
['Miller Ava - Coordinator', 'Rodriguez Jackson - Designer', 'Williams Isabella - Manager', 'Johnson Emma - Engineer', 'Davis Noah - Designer', 'Smith Ava - Analyst', 'Williams Liam - Developer', 'Davis Liam - Developer', 'Jones Isabella - Specialist', 'Rodriguez Aiden - Coordinator', 'Williams Lucas - Manager', 'Miller Emma - Specialist', 'García Jackson - Analyst', 'Rodriguez Isabella - Engineer', 'Martinez Olivia - Analyst', 'Smith Noah - Designer', 'Brown Liam - Engineer', 'Martinez Ava - Engineer', 'Rodriguez Isabella - Manager', 'Smith Emma - Engineer', 'Davis Olivia - Coordinator', 'Jones Lucas - Developer', 'Brown Lucas - Coordinator', 'Brown Sophia - Engineer', 'Davis Liam - Coordinator', 'Miller Sophia - Designer', 'Smith Aiden - Coordinator', 'Martinez Jackson - Manager', 'Johnson Lucas - Manager', 'Davis Jackson - Engineer']
m_count = 0
for i in people_list:
for j in range(len(i)):
if i[j] == 'm' or i[j] == 'M':
m_count += 1
else:
pass
print(m_count)
28