Analysis 1: It is known from ② that Xiao Yang's hobby is playing football;
Analysis 2: According to ⑤, Zhou Xiao and Xiao Yang watch the game together;
Analysis 3: I learned from ④ that the clerk's hobby is singing or playing football;
Analysis 4: According to ⑤ and ⑤, Zhou Xiao's hobby is singing;
Analysis 5: According to analysis 1 and analysis 4, Lao Wu's hobby is painting;
Analysis 6: From this, Xiao Yang plays football; Lao Wu-painting; Zhou Xiao-singing;
Career analysis:
Analysis 7: According to analysis 6 and ①, Zhou Xiao's occupation is electrician or driver;
Analysis 8: According to analysis 6 and ③, Lao Wu is a shop assistant or a driver.
Analysis 9: According to analysis 6 and 4, Lao Wu is a driver by profession;
Analysis 10: According to analysis 9 and 7, Zhou Xiao's occupation is electrician;
Analysis 1 1: According to analysis 9 and analysis 10, Xiao Yang is a shop assistant;
Analysis 12: It can be seen that Xiao Yang is a shop assistant; Lao Wu-driver; Zhou Xiao-electrician;
Summary:
Xiao Yang-playing football; Lao Wu-painting; Zhou Xiao-singing;
Xiao Yang-shop assistant; Lao Wu-driver; Zhou Xiao-electrician;