Function to return the minimum of four numbers
def min ( p , q , r , s ) : NEW_LINE INDENT if ( p < q ) : NEW_LINE INDENT temp1 = p NEW_LINE DEDENT else : NEW_LINE INDENT temp1 = q NEW_LINE DEDENT if ( r < s ) : NEW_LINE INDENT temp2 = r NEW_LINE DEDENT else : NEW_LINE INDENT temp2 = s NEW_LINE DEDENT if ( temp1 < temp2 ) : NEW_LINE INDENT return temp1 NEW_LINE DEDENT return temp2 NEW_LINE DEDENT