fp = open("c:/Users/alis/Documents/handsome_chris_sweater.txt", "w")
pattern = ""

# Each panel, as written in sweater recipe.
# For the back panel in Size XS.
a = [
    ["p", "2/1RPC", "2/1LPC", "2/1RPC", "2/1LPC", "p"],
    ["k", "p2", "k2", "p4", "k2", "p2", "k"],
    ["p", "k2", "p2", "2/2RC", "p2", "k2", "p"],
    ["k", "p2", "k2", "p4", "k2", "p2", "k"],
    ["p", "2/1LPC", "2/1RPC", "2/1LPC", "2/1RPC", "p"],
    ["k2", "p4", "k2", "p4", "k2"],
    ["p2", "2/2LC", "p2", "2/2LC", "p2"],
    ["k2", "p4", "k2", "p4", "k2"],
]
b = [
    ["p", "3/3RC", "p2", "3/3LC", "p"],
    ["k", "p6", "k2", "p6", "k"],
    ["p", "k6", "p2", "k6", "p"],
    ["k", "p6", "k2", "p6", "k"],
]
c = [
    ["k1tbl", "p4", "1/1RC", "p4", "1/1RC", "p4", "1/1RC", "p4", "k1tbl"],
    ["p1tbl", "k4", "p2", "k4", "p2", "k4", "p2", "k4", "p1tbl"],
    ["k1tbl", "p3", "1/1RPC", "1/1LPC", "p2", "1/1RPC", "1/1LPC", "p2", "1/1RPC", "1/1LPC", "p3", "k1tbl"],
    ["p1tbl", "k3", "p", "k2", "p", "k2", "p", "k2", "p", "k2", "p", "k2", "p", "k3", "p1tbl"],
    ["k1tbl", "p2", "1/1RPC", "p2", "1/1LPC", "1/1RPC", "p2", "1/1LPC", "1/1RPC", "p2", "1/1LPC", "p2", "k1tbl",],
    ["p1tbl", "k2", "p", "k4", "p2", "k4", "p2", "k4", "p", "k2", "p1tbl"],
    ["k1tbl", "p2", "k", "p4", "1/1RC", "p4", "1/1RC", "p4", "k", "p2", "k1tbl"],
    ["p1tbl", "k2", "p", "k4", "p2", "k4", "p2", "k4", "p", "k2", "p1tbl"],
    ["k1tbl", "p2", "1/1LPC", "p2", "1/1RPC", "1/1LPC", "p2", "1/1RPC", "1/1LPC", "p2", "1/1RPC", "p2", "k1tbl"],
    ["p1tbl", "k3", "p", "k2", "p", "k2", "p", "k2", "p", "k2", "p", "k2", "p", "k3", "p1tbl"],
    ["k1tbl", "p3", "1/1LPC", "1/1RPC", "p2", "1/1LPC", "1/1RPC", "p2", "1/1LPC", "1/1RPC", "p3", "k1tbl"],
    ["p1tbl", "k4", "p2", "k4", "p2", "k4", "p2", "k4", "p1tbl"],
]

cables = {
    "1/1RPC": "[ Sl 1 st onto back. k1, p1 ]",
    "1/1RC": "[ Sl 1 st onto back. k1, k1 ]",
    "1/1LPC": "[ Sl 1 st onto front. p1, k1 ]",
    "2/1RPC": "[ Sl 1 st onto back. k2, p1 ]",
    "2/1LPC": "[ Sl 2 sts onto front. p1, k2 ]",
    "2/2RC": "[ Sl 2 sts onto back. k2, k2 ]",
    "2/2LC": "[ Sl 2 sts onto front. k2, k2 ]",
    "3/3LC": "[ Sl 3 sts onto front. K3, K3 ]",
    "3/3RC": "[ Sl 3 sts onto back. K3, K3 ]",
}

# Phase 1: Substitute acronyms in panel instructions.
panels = [a, b, c]
for panel in panels:
    for row in panel:
        for i, acronym in enumerate(row):
            if acronym in cables.keys():
                row[i] = cables[acronym]

# Phase 2: Writing the sweater rows.
for i in range(100):  # Put the sweater rows you'd like to print here.
    pattern += f"Row {i + 1}\n"  # row of sweater. added 1 for display purposes
    pattern += f"Panel A, Row {i % len(a) + 1}: {', '.join(a[i % len(a)])}\n"
    pattern += f"Panel B, Row {i % len(b) + 1}: {', '.join(b[i % len(b)])}\n"
    pattern += f"Panel C, Row {i % len(c) + 1}: {', '.join(c[i % len(c)])}\n"
    pattern += "\n"

# Write to the text file.
fp.write(pattern)
fp.close()