打印图形中的循环

width = 5  # 矩形的宽度
height = 3  # 矩形的高度

for i in range(height):
    for j in range(width):
        print("*", end="")
    print()

int height = 5;  // 三角形的高度

for (int i = 1; i <= height; i++) {
    for (int j = 1; j <= i; j++) {
        System.out.print("*");
    }
    System.out.println();
}

int height = 5;  // 菱形的高度

for (int i = 1; i <= height; i++) {
    for (int j = 1; j <= height - i; j++) {
        cout << " ";
    }
    for (int k = 1; k <= 2 * i - 1; k++) {
        cout << "*";
    }
    cout << endl;
}

for (int i = height - 1; i >= 1; i--) {
    for (int j = 1; j <= height - i; j++) {
        cout << " ";
    }
    for (int k = 1; k <= 2 * i - 1; k++) {
        cout << "*";
    }
    cout << endl;
}