moving scripts into separate repo
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commit
0f50dcaab0
179
hspice2xyce
Executable file
179
hspice2xyce
Executable file
@ -0,0 +1,179 @@
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#!/usr/bin/python3
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import sys
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import re
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class StackElem:
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def __init__(self, parent):
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self.parent = parent
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self.methods = set()
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def emitOperation(number, command, operation, stack):
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if command in [".prot", ".protect", ".unprot", ".unprotect"]:
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return # Xyce does not support these commands
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elif command == ".option":
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operation = fixOption(number, operation, stack)
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else:
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operation = fixParams(number, operation, stack)
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if len(operation) > 0:
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print("\n".join(operation))
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def emitFunction(name, args, definition):
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print(".func " + name + args + " {" + definition + "}")
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# s/^include/* include/g
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def fixParams(number, operation, stack):
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result = []
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index = []
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for i, line in enumerate(operation):
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if len(line) == 0 or line[0] == "*":
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result.append(line)
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continue
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result.append("")
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line = line.replace("$", ";")
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for param in re.finditer(r'([^ \t=+\(\)]+|\'[^\']*\'|[\(\)])(?:[ \t]*(\([^\)]*\))?[ \t]*=[ \t]*(\'[^\']*\'|[^ \t]+))?', line):
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name = param.group(1)
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args = param.group(2)
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definition = param.group(3)
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# dev/gauss is an unsupported parameter in xyce
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if name == "dev/gauss":
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continue
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elif name in ["vt", "Vt", "vT", "VT"]:
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name = "local_" + name
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if definition:
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if ":" in definition:
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definition = definition.replace(":", " :")
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if definition[0] != "'":
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definition = "'" + definition + "'"
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# Convert .param functions to .func commands
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if args and len(args) > 0:
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found = False
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for elem in stack:
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if name in elem.methods:
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found = True
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break
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if not found:
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emitFunction(name, args, definition[1:-1] if definition[0] == "'" else definition)
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stack[-1].methods.add(name)
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# TODO(edward.bingham) other parameter fixes
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elif definition and len(definition) > 0:
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result[-1] += " " + name + "=" + definition
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elif name and len(name) > 0:
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if len(result[-1]) > 0:
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result[-1] += " "
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result[-1] += name
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if len(result[-1]) == 0:
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result.pop()
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else:
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index.append(len(result)-1)
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if len(index) == 1 and result[index[0]] == ".param":
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del result[index[0]]
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for i in index[1:]:
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result[i] = "+ " + result[i]
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return result
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def fixOption(number, operation, stack):
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result = []
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for i, line in enumerate(operation):
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if len(line) == 0 or line[0] == "*":
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result.append(line)
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continue
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for param in re.finditer(r'([a-zA-Z_][a-zA-Z0-9_]*)[ \t]*=[ \t]*(\'[^\']*\'|[^ \t]*)', line):
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name = param.group(1)
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definition = param.group(2)
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if name in ["tmiflag", "modmonte", "tmipath", "etmiUsrInput"]:
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# these options load the TSMC Model Interface (TMI) which isn't supported in Xyce
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# TMI is generally used for modelling of silicon, transistor, and wire aging
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continue
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# TODO(edward.bingham) scale and geoshrink ultimately need to be
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# combined, which means keeping track of the values of each in a given
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# scope and generating options that combine those values as needed
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if name == "scale":
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result.append(".options parser " + name + "=" + definition)
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elif name == "geoshrink":
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result.append(".options parser scale=" + definition)
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else:
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# options need to be actively handled individually, all options between hspice and xyce are different
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print("line " + str(number) + ": unhandled option '" + line + "'", file=sys.stderr)
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continue
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return result
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def hspice2Xyce(path):
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stack = [StackElem("")]
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operation = []
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command = ""
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devices = "bcdefghijklmopqrstuvwxyz"
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commands = "."
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continuations = "+"
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with open(path, 'r') as fptr:
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for number, line in enumerate(fptr):
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line = line.strip()
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# extraneous include statements
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if line.lower().startswith("include"):
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line = "* " + line
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if len(line) == 0 or line[0] == '*' or line[0] == '#':
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pass
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else:
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if line[0].lower() in continuations:
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pass
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elif line[0].lower() in commands or line[0].lower() in devices:
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# print and clear stored multiline command
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emitOperation(number, command, operation, stack)
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operation = []
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command = re.split("[ \t]+", line)[0].lower().strip()
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if line[0].lower() in commands:
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if command in [".data", ".subckt", ".if", ".control"]:
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stack.append(StackElem(command))
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elif command == ".lib":
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args = re.split("[ \t]+", line)
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if len(args) <= 2:
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stack.append(StackElem(command))
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elif command.startswith(".end"):
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if command == ".endl" and stack[-1].parent == ".lib":
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stack.pop()
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elif command == ".ends" and stack[-1].parent == ".subckt":
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stack.pop()
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elif command == ".enddata" and stack[-1].parent == ".data":
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stack.pop()
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elif command == ".endif" and stack[-1].parent == ".if":
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stack.pop()
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elif command == ".endc" and stack[-1].parent == ".control":
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stack.pop()
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elif command == ".end" and stack[-1].parent == "":
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stack.pop()
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else:
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print("line " + str(number) + ": stack parse error '" + command + "' disagrees with '" + stack[-1].parent + "'", file=sys.stderr)
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return
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else:
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print("line " + str(number) + ": unrecognized command '" + line + "'", file=sys.stderr)
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return
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operation.append(line)
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emitOperation(-1, command, operation, stack)
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operation = []
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if __name__ == "__main__":
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if len(sys.argv) > 1:
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hspice2Xyce(sys.argv[1])
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else:
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print("$ hspice2xyce path")
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print("Converts an HSPICE netlist to a Xyce netlist and emits result to stdout.")
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41
shortenspice.py
Executable file
41
shortenspice.py
Executable file
@ -0,0 +1,41 @@
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#!/usr/bin/python3
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import sys
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import re
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import datetime
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import os
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ckts = dict()
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ids = dict()
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if len(sys.argv) <= 1:
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print("shortenspice.py <file>")
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print("Prints the spice file, removing the template parameters from each subcircuit in favor of a unique id. This is useful for shortening subcircuit names for HSIM.")
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else:
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with open(sys.argv[1], 'r') as fptr:
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for line in fptr:
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line = line.split()
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if line and line[0] == '.subckt':
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ms = re.finditer(r'[a-zA-Z]', line[1])
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if ms:
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m = None
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for m in ms:
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pass
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idx = m.span()[-1]
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if idx < len(line[1]):
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name = line[1][0:idx]
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if name in ids:
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ids[name] += 1
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else:
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ids[name] = 0
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name += '_' + str(ids[name])
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ckts[line[1]] = name
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line[1] = name
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elif line and line[0].startswith("x"):
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i = 0
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while i < len(line) and '=' in line[-1-i]:
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i += 1
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if i < len(line):
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if line[-1-i] in ckts:
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line[-1-i] = ckts[line[-1-i]]
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print(' '.join(line))
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