Cleaned ex2_c
Cleaned ex2_c

FeMTTU/femus,giorgiobornia/femus,saikanth88/femus,giorgiobornia/femus,FeMTTU/femus,FeMTTU/femus,giorgiobornia/femus,FeMTTU/femus,giorgiobornia/femus,saikanth88/femus,saikanth88/femus,saikanth88/femus