중첩 반복문 소개

중첩 반복문이란?

중첩 반복문을 사용하는 이유

중첩 For 반복문 예시

# Outer loop iterates over numbers 1 to 3
for i in range(1, 4):
    # Inner loop iterates over letters 'A' to 'C'
    for letter in ['A', 'B', 'C']:
        print(i, letter)  # Prints the current number and letter

중첩 For 반복문 예시의 출력

1 A
1 B
1 C
2 A
2 B
2 C
3 A
3 B
3 C

중첩 While 반복문 예시

# Initialize the outer loop counter
i = 1
while i <= 3:
    # Initialize the inner loop counter
    j = 1
    while j <= 2:
        print("Outer:", i, "Inner:", j)  # Prints the current outer and inner counters
        j += 1  # Increment inner counter
    i += 1  # Increment outer counter

중첩 반복문으로 패턴 만들기

# Number of rows for the pattern
rows = 5

# Outer loop for each row
for i in range(1, rows + 1):
    # Inner loop for printing stars
    for j in range(i):
        print("*", end=" ")  # Prints a star and stays on the same line
    print()  # Moves to the next line after inner loop completes

잘하셨습니다!