will you please help me with these three python codings. I do not know how to input them. I have to ask for user input using

question one is the shear stress

question two is arp's hyberbolic equation

and three is m/m/1 equation

The shear stress for a given normal stress that is applied to a material with a given cohesion and angle of internal friction (Mohr- Coulomb failure criterion: - tan() + c)1 The production of a well after a given number of days, for a given initial production rate, decline rate, and hyperbolic constant ( Arp's hyperbolic equationq The average length of an M/M/1 queue with given arrival and service rates3 ai (1+bd t)b (average length 1